Cross reference · Lockheed Martin · Machine screw
7581384P cross referenceLong-Lok NKS51957, MS51957, MBDA A05227, US Army SMB544232
7581384P is a Lockheed machine screw series on 3 government stock numbers. Its closest equivalents are Long-Lok NKS51957, MS51957, MBDA A05227, US Army SMB544232. Each one is labeled with how strong the evidence is.
- Issued by Lockheed Martin
- Item Machine screw
- Stock numbers 3
- Equivalents 13
- DLA paid $0.0300 to $0.18
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
1 more on one stock number each: NKS51957
- NKS51957Long-LokCatalog only, needs approvalon 1 of 3 stock numbers
Standards
- MS51957MSCatalog only, needs approvalon 2 of 3 stock numbers, 2 sizes
7 more on one stock number each: MS16200, MS35216, MS35233, MS511957, MS51657, MS51958, FFS92
- MS16200MSCatalog only, needs approvalon 1 of 3 stock numbers
- MS35216MSCatalog only, needs approvalon 1 of 3 stock numbers
- MS35233MSCatalog only, needs approvalon 1 of 3 stock numbers
- MS511957MSCatalog only, needs approvalon 1 of 3 stock numbers
- MS51657MSCatalog only, needs approvalon 1 of 3 stock numbers
- MS51958MSCatalog only, needs approvalon 1 of 3 stock numbers
- FFS92Federal specificationsCatalog only, needs approvalon 1 of 3 stock numbers
Airframer and OEM drawings
4 more on one stock number each: A05227, G0006370, SMB544232, VA97
- A05227MBDACatalog only, needs approvalon 1 of 3 stock numbers
- G0006370MBDACatalog only, needs approvalon 1 of 3 stock numbers
- SMB544232US ArmyCatalog only, needs approvalon 1 of 3 stock numbers, 2 sizes
- VA97LeonardoCatalog only, needs approvalon 1 of 3 stock numbers
Plus 63 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for 7581384P
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for 7581384P. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
What the government paid
DLA awards on 3 of 3 stock numbers, 30 awards from 2023-04-25 to 2025-11-17.
Latest award per stock number: $0.0300 to $0.18 each.
DLA production lead time: 150 to 153 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 | 7581384P | NKS51957 | MS51957 | FFS92 | A05227 | SMB544232 | Last DLA price |
|---|---|---|---|---|---|---|---|
| 5305-00-054-6652 | 7581384P0043 | MS51957-28 | A05227 | SM-B544232 | $0.0300 2025-01 | ||
| 5305-00-054-6654 | 7581384P0045 | NKS51957-30 | MS51957-30 | FF-S-92 | $0.0700 2025-11 | ||
| 5305-00-059-3674 | 7581384P0062 | $0.18 2025-03 |
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 5305 Screws. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.
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