Cross reference · MS (US military standards) · Retaining ring
MS16631 cross referenceTruarc N5002
MS16631 is a retaining ring series on 107 government stock numbers. Its closest equivalents are Truarc N5002. Each one is labeled with how strong the evidence is.
- Issued by MS
- Item Retaining ring
- Stock numbers 107
- Equivalents 23
- DLA paid $1.50 to $241.80
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- N5002TruarcCatalog only, needs approvalon 88 of 107 stock numbers, 101 sizes
3 more on one stock number each: N1302218, VHO156, VHO400STPA
- N1302218LISI AerospaceCatalog only, needs approvalon 1 of 107 stock numbers
- VHO156Rotor ClipCatalog only, needs approvalon 1 of 107 stock numbers
- VHO400STPARotor ClipCatalog only, needs approvalon 1 of 107 stock numbers
Standards
7 more on one stock number each: ASMEB18243, R274NAD0187NN643NNAA, R274NAD0256NN056NNPF, R274NAD0262NN056NNPF, R274NAD0315NN056NNNF, R274NAD0315NN056NNPF, R274NAD0375NN056NNPF
- ASMEB18243ASMECatalog only, needs approvalon 1 of 107 stock numbers
- R274NAD0187NN643NNAAASMECatalog only, needs approvalon 1 of 107 stock numbers
- R274NAD0256NN056NNPFASMECatalog only, needs approvalon 1 of 107 stock numbers
- R274NAD0262NN056NNPFASMECatalog only, needs approvalon 1 of 107 stock numbers
- R274NAD0315NN056NNNFASMECatalog only, needs approvalon 1 of 107 stock numbers
- R274NAD0315NN056NNPFASMECatalog only, needs approvalon 1 of 107 stock numbers
- R274NAD0375NN056NNPFASMECatalog only, needs approvalon 1 of 107 stock numbers
Airframer and OEM drawings
- 733700PCUS NavyCatalog only, needs approvalon 5 of 107 stock numbers, 5 sizes
- 731616PCUS NavyCatalog only, needs approvalon 4 of 107 stock numbers, 4 sizes
- CL21ANorthrop GrummanCatalog only, needs approvalon 4 of 107 stock numbers, 4 sizes
- 362M0024PRTXCatalog only, needs approvalon 2 of 107 stock numbers, 2 sizes
- 480791PCUS NavyCatalog only, needs approvalon 2 of 107 stock numbers, 2 sizes
7 more on one stock number each: 005418321ITEM, 144A, 376L602/AE902/118, 376L602/AE902ITEM, A10545A, G547, H547
- 005418321ITEMUS NavyCatalog only, needs approvalon 1 of 107 stock numbers
- 144ANorthrop GrummanCatalog only, needs approvalon 1 of 107 stock numbers
- 376L602/AE902/118US NavyCatalog only, needs approvalon 1 of 107 stock numbers
- 376L602/AE902ITEMUS NavyCatalog only, needs approvalon 1 of 107 stock numbers
- A10545ANorthrop GrummanCatalog only, needs approvalon 1 of 107 stock numbers
- G547General DynamicsCatalog only, needs approvalon 1 of 107 stock numbers, 2 sizes
- H547General DynamicsCatalog only, needs approvalon 1 of 107 stock numbers, 2 sizes
Plus 80 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for MS16631
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for MS16631. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
What the government paid
DLA awards on 17 of 107 stock numbers, 29 awards from 2023-03-09 to 2026-09-03.
Latest award per stock number: $1.50 to $241.80 each.
DLA production lead time: 10 to 420 days.
Per size in the table below.
DLA prices at DLA quantities, not a quote.Source
DLA award prices at DLA quantities and terms, not a commercial quote. Each award may bundle packaging, delivery and inspection terms that a commercial buy does not. Vendors are shown by CAGE code only.
Source: DLA FOIA Electronic Reading Room ↗, public FOIA releases. Files: 2023ContHist.zip/2023ContractHistory.txt, 2024ContHist.zip/2024ContractHistory.txt, contracthist2025.zip/contracthist2025.txt, 2026-09-16-1038_contracthist.zip/2026-09-16-1038_contracthist.txt.
Sizes by maker
| NSN | MS16631 | N5002 | Last DLA price |
|---|---|---|---|
| 5325-00-226-9979 | MS16631-137 | N5002-137 | |
| 5325-00-598-1296 | MS16631-156 | N5002-156 | |
| 5325-00-285-6959 | MS16631-162 | N5002-162 | |
| 5325-00-200-2533 | MS16631-165 | N5002-165 | $1.50 2025-02 |
| 5325-00-263-3823 | MS16631-168 | N5002-168 | |
| 5325-00-263-2711 | MS16631-185 | N5002-185 | |
| 5325-00-226-9992 | MS16631-187 | N5002-187 | |
| 5325-00-226-9981 | MS16631-193 | N5002-193 | |
| 5325-00-285-6745 | MS16631-218 | N5002-218-S | |
| 5325-00-998-3149 | MS16631-237 | N5002-237 | $1.50 2023-03 |
| 5325-00-281-6495 | MS16631-244 | N5002-244 | |
| 5325-00-514-1271 | MS16631-250 | N5002-250 | |
| 5325-00-550-5685 | MS16631-256 | N5002-256 | |
| 5325-00-598-6337 | MS16631-275 | N5002-283 | |
| 5325-00-285-6960 | MS16631-281 | N5002-281 | $4.89 2025-09 |
Show 45 more sizes
| NSN | MS16631 | N5002 | Last DLA price |
|---|---|---|---|
| 5325-00-971-0440 | MS16631-287 | N5002-287 | |
| 5325-00-801-7241 | MS16631-375 | N5002-375 | $2.00 2025-03 |
| 5325-00-200-7042 | MS16631-393 | N5002-393 | |
| 5325-00-226-9984 | MS16631-1100 | N5002-100MD | |
| 5325-01-198-8759 | MS16631-1102 | ||
| 5325-01-047-6711 | MS16631-1106 | N5002-106MD | |
| 5325-00-252-6864 | MS16631-1112 | N5002-112SMD | |
| 5325-00-200-8603 | MS16631-1118 | ||
| 5325-00-817-2416 | MS16631-1125 | N5002-125MD | |
| 5325-00-226-9980 | MS16631-1137 | N5002-137MD | |
| 5325-00-263-3816 | MS16631-1150 | N5002-150MD | $3.14 2025-09 |
| 5325-00-598-0933 | MS16631-1156 | N5002-156MD | |
| 5325-00-226-9972 | MS16631-1162 | N5002-162MD | |
| 5325-00-255-4619 | MS16631-1165 | N5002-165MD | |
| 5325-00-282-5377 | MS16631-1168 | N5002-168MD | |
| 5325-00-883-7404 | MS16631-1175 | N5002-175MD | |
| 5325-00-256-2852 | MS16631-1185 | N5002-185MD | |
| 5325-00-255-4615 | MS16631-1187 | N5002-187MD | |
| 5325-00-263-3829 | MS16631-1200 | N5002-200MD | $7.92 2023-12 |
| 5325-00-263-3819 | MS16631-1206 | N5002-206MD | |
| 5325-00-263-3833 | MS16631-1212 | N5002-212MD | |
| 5325-00-256-2857 | MS16631-1218 | N5002-218MD | |
| 5325-01-133-6156 | MS16631-1225 | N5002-225 | |
| 5325-00-255-4616 | MS16631-1231 | N5002-231MD | |
| 5325-00-275-6097 | MS16631-1244 | N5002-244MD | $6.95 2025-10 |
| 5325-01-322-5143 | MS16631-1250 | ||
| 5325-00-282-7084 | MS16631-1262 | N5002-262MD | $74.32 2024-10 |
| 5325-01-287-9036 | MS16631-1275 | ||
| 5325-01-281-8720 | MS16631-1281 | N5002-281-MD | |
| 5325-00-598-2092 | MS16631-1283 | ||
| 5325-00-781-5834 | MS16631-1287 | N5002-287W | |
| 5325-01-280-3531 | MS16631-1312 | ||
| 5325-00-579-6297 | MS16631-1315 | N5002-315MD | |
| 5325-00-942-2540 | MS16631-1325 | N5002-325MF | |
| 5325-00-226-9996 | MS16631-1350 | N5002-350MD | |
| 5325-01-072-9336 | MS16631-1354 | N5002-354SMD | $64.43 2024-10 |
| 5325-00-663-2212 | MS16631-1375 | N5002-375MD | |
| 5325-00-186-9452 | MS16631-1387 | N5002-387MD | |
| 5325-00-660-1518 | MS16631-1412 | N5002-412MD | $241.80 2025-08 |
| 5325-00-255-4614 | MS16631-1433 | N5002-433MD | |
| 5325-01-287-9018 | MS16631-1475 | N5002-475PP | |
| 5325-00-914-5837 | MS16631-1500 | N5002-500MD | |
| 5325-00-514-1290 | MS16631-1525 | N5002-525MD | |
| 5325-01-134-5984 | MS16631-1550 | N5002-550 | |
| 5325-01-526-0993 | MS16631-2218 |
Each row is one National Stock Number and the part numbers DLA FLIS lists on it, as written there. A blank means FLIS lists no part in that series on the stock number, not that the size does not exist. 47 more stock numbers are not shown.
Sources and how to read this page.Details
Reference numbers the Federal Logistics Information System records against the same National Stock Number. A supply-catalog cross-reference, not an engineering-approved interchangeability: confirm against the controlling drawing or spec before substituting. Only equivalents marked cited have a manufacturer or government document, linked with each.
Source: DLA Federal Logistics Information System, via DLA PUB LOG ↗ (FLIS Data Electronic Reading Room ↗), data as of 2025-03-18 (March 2025 snapshot). Federal supply class 5325 Fastening devices. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.
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