Cross reference · SPS Technologies · Extended washer self-locking nut
RM52LH cross referenceCherry T98S, Howmet H14L, Hi-Shear MN16PJ, MS21042L
RM52LH is a SPS extended washer self-locking nut series on 7 government stock numbers. Its closest equivalents are Cherry T98S, Howmet H14L, Hi-Shear MN16PJ, MS21042L. Each one is labeled with how strong the evidence is.
- Issued by SPS Technologies
- Item Extended washer self-locking nut
- Stock numbers 7
- Equivalents 14
- DLA paid $0.16 to $10.50
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- T98SCherry AerospaceCatalog only, needs approvalon 5 of 7 stock numbers, 5 sizes
- H14LHowmet Fastening SystemsCatalog only, needs approvalon 2 of 7 stock numbers, 2 sizes
- MN16PJHi-ShearCatalog only, needs approvalon 2 of 7 stock numbers, 2 sizes
2 more on one stock number each: AS8600B, CR11476
- AS8600BLISI AerospaceCatalog only, needs approvalon 1 of 7 stock numbers
- CR11476Cherry AerospaceCatalog only, needs approvalon 1 of 7 stock numbers
Standards
- MS21042LMSCatalog only, needs approvalon 6 of 7 stock numbers, 5 sizes
- NAS1291NASCatalog only, needs approvalon 2 of 7 stock numbers, 3 sizes
4 more on one stock number each: NAS679A, NASM21042, MS21042, MS21042C
Airframer and OEM drawings
- Z00NDaherCatalog only, needs approvalon 4 of 7 stock numbers, 4 sizes
2 more on one stock number each: 1484C, GN10U
- 1484CCollins AerospaceCatalog only, needs approvalon 1 of 7 stock numbers
- GN10UNorthrop GrummanCatalog only, needs approvalon 1 of 7 stock numbers
Plus 35 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for RM52LH
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for RM52LH. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
What the government paid
DLA awards on 4 of 7 stock numbers, 139 awards from 2023-07-10 to 2026-07-15.
Latest award per stock number: $0.16 to $10.50 each.
DLA production lead time: 30 to 148 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 | RM52LH | T98S | H14L | MN16PJ | AS8600B | MS21042L | Last DLA price |
|---|---|---|---|---|---|---|---|
| 5310-00-880-7010 | RM52LH3324-26 | H14L02 | MS21042L02 | $1.00 2026-04 | |||
| 5310-00-807-1475 | RM52LH3324-048 | T98S428 | MS21042L4 | ||||
| 5310-00-807-1476 | RM52LH3324-054 | T98S524 | MS21042L5 | ||||
| 5310-00-807-1472 | RM52LH3324-62 | T98S632 | H14L06 | MN16PJ06 | AS8600B | MS21042L06 | $0.45 2026-06 |
| 5310-00-807-1477 | RM52LH3324-064 | T98S624 | MS21042L6 | $10.50 2026-07 | |||
| 5310-00-807-1473 | RM52LH3324-82 | T98S832 | MN16PJ08 | MS21042L08 | $0.16 2026-06 | ||
| 5310-00-909-5640 | RM52LH4367-02 |
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 5310 Nuts and washers. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.
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