Cross reference · NAS (Aerospace Industries Association) · Retaining ring

NAS670 cross referenceMS16624

NAS670 is a retaining ring series on 48 government stock numbers. Its closest equivalents are MS16624. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

48 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • N1400TruarcCatalog only, needs approvalon 5 of 48 stock numbers, 15 sizes

Standards

  • MS16624MSCatalog only, needs approvalon 41 of 48 stock numbers, 50 sizes
  • MS9013MSCatalog only, needs approvalon 4 of 48 stock numbers, 4 sizes
1 more on one stock number each: R271NAA0212NN056NNPF
  • R271NAA0212NN056NNPFASMECatalog only, needs approvalon 1 of 48 stock numbers

Airframer and OEM drawings

  • 12Z64PCUS NavyCatalog only, needs approvalon 4 of 48 stock numbers, 4 sizes
  • LS16624Lockheed MartinCatalog only, needs approvalon 2 of 48 stock numbers, 2 sizes
10 more on one stock number each: 336D99H, 362M0020P, 362MR011P, 554453PC, 587870PC, 58A122B, 643A, 643A412PIECE, 715634PC, 7550G
  • 336D99HNorthrop GrummanCatalog only, needs approvalon 1 of 48 stock numbers
  • 362M0020PRTXCatalog only, needs approvalon 1 of 48 stock numbers
  • 362MR011PRTXCatalog only, needs approvalon 1 of 48 stock numbers
  • 554453PCUS NavyCatalog only, needs approvalon 1 of 48 stock numbers
  • 587870PCUS NavyCatalog only, needs approvalon 1 of 48 stock numbers
  • 58A122BUS NavyCatalog only, needs approvalon 1 of 48 stock numbers
  • 643AGECatalog only, needs approvalon 1 of 48 stock numbers
  • 643A412PIECEGECatalog only, needs approvalon 1 of 48 stock numbers
  • 715634PCUS NavyCatalog only, needs approvalon 1 of 48 stock numbers
  • 7550GOshkoshCatalog only, needs approvalon 1 of 48 stock numbers

Plus 229 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for NAS670

Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.

Install tooling

SpecLok has no catalog family for NAS670. Tooling for the equivalents:

None of the equivalents is in the SpecLok catalog yet.

What the government paid

DLA awards on 7 of 48 stock numbers, 63 awards from 2023-01-05 to 2026-08-10.

Latest award per stock number: $0.15 to $0.86 each.

DLA production lead time: 41 to 300 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

48 stock numbers
Part numbers DLA FLIS lists for NAS670 and its equivalents, by stock number
NSNNAS670N1400MS16624Last DLA price
5325-00-804-6895NAS670-12MS16624-5012-1
5325-00-804-6896NAS670-15MS16624-1015
5325-00-721-8187NAS670-18MS16624-1018
5325-00-806-0198NAS670-23MS16624-5023-1
5325-00-803-7314NAS670-27MS16624-1027
5325-00-803-6227NAS670-28MS16624-1028
5325-00-803-7313NAS670-31MS16624-1031
5325-00-803-7312NAS670-35MS16624-1035
5325-00-715-1152NAS670-37MS16624-1037
5325-00-803-7311NAS670-39MS16624-1039
5325-00-252-4721NAS670-40MS16624-1040
5325-00-584-6557NAS670-55MS16624-1055
5325-00-803-7306NAS670-56MS16624-1056$0.15 2023-03
5325-00-754-1619NAS670-59MS16624-1059
5325-00-803-7305NAS670-62MS16624-1062
Show 33 more sizes
More sizes
NSNNAS670N1400MS16624Last DLA price
5325-00-803-7303NAS670-75MS16624-1075$0.44 2026-05
5325-01-357-4812NAS670-78
5325-00-803-7302NAS670-81MS16624-1081
5325-00-804-2025NAS670-87MS16624-1087$0.21 2024-09
5325-00-804-2027NAS670-93MS16624-1093
5325-00-804-2026NAS670-98MS16624-1098$0.63 2025-06
5325-00-530-7968NAS670-100MS16624-1100$0.86 2025-12
5325-00-281-6623NAS670-125MS16624-125
5325-00-803-7317NAS670-131MS16624-1131
5325-01-202-0593NAS670-137
5325-00-530-7957NAS670-143MS16624-1143
5325-00-803-7299NAS670-150MS16624-1150
5325-01-524-5475NAS670-175
5325-00-791-0186NAS670-200
5325-00-663-1246NAS670-212MS16624-1212
5325-00-252-4770NAS670-225MS16624-1225
5325-00-200-7234NAS670-275MS16624-1275
5325-00-200-2637NAS670-12NMS16624-5012
5325-01-548-8203NAS670-18N
5325-00-282-7127NAS670-19NN1400-0019MS16624-19
5325-00-720-8064NAS670-25NMS16624-1025$0.15 2026-08
5325-01-295-9834NAS670-25N
5325-00-803-6226NAS670-27NN1400-27ASMS16624-27
5325-00-806-4635NAS670-28NN1400-28CDMS16624-28
5325-00-263-5954NAS670-31NN1400-0031MS16624-31
5325-00-800-7865NAS670-37PMS16624-3037
5325-00-803-7308NAS670-39NN1400-39ASMS16624-39
5325-00-803-7315NAS670-43NMS16624-1043$0.17 2023-09
5325-00-753-3929NAS670-43PMS16624-3043
5325-00-252-4725NAS670-50NMS16624-50
5325-00-805-6005NAS670-50PMS16624-3050
5325-01-548-6606NAS670-62N
5325-00-838-4885NAS670-93PMS16624-3093

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.

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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