Cross reference · Northrop Grumman · Close tolerance screw
GB511J cross referenceHi-Shear HT193LB, Howmet HT8099, Huck BM21009, NAS1578V
GB511J is a Northrop close tolerance screw series on 3 government stock numbers. Its closest equivalents are Hi-Shear HT193LB, Howmet HT8099, Huck BM21009, NAS1578V. Each one is labeled with how strong the evidence is.
- Issued by Northrop Grumman
- Item Close tolerance screw
- Stock numbers 3
- Equivalents 7
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- HT193LBHi-ShearCatalog only, needs approvalon 3 of 3 stock numbers, 3 sizes
- HT8099Howmet Fastening SystemsCatalog only, needs approvalon 3 of 3 stock numbers, 3 sizes
- BM21009HuckCatalog only, needs approvalon 2 of 3 stock numbers, 2 sizes
- T151HuckCatalog only, needs approvalon 2 of 3 stock numbers, 2 sizes
Standards
3 more on one stock number each: NAS1578V, NAS1578V3T, NAS1578V4H
- NAS1578VNASCatalog only, needs approvalon 1 of 3 stock numbers
- NAS1578V3TNASCatalog only, needs approvalon 1 of 3 stock numbers
- NAS1578V4HNASCatalog only, needs approvalon 1 of 3 stock numbers
Plus 1 reference number whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for GB511J
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for GB511J. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
Sizes by maker
| NSN | GB511J | HT193LB | HT8099 | BM21009 | NAS1578V | Last DLA price |
|---|---|---|---|---|---|---|
| 5305-00-061-6467 | GB511J3-1 | HT193LB3-1 | HT8099-3-1 | |||
| 5305-01-042-4439 | GB511J3-18 | HT193LB3-18 | HT8099-3-18 | BM21009-3-18 | NAS1578V318 | |
| 5305-01-043-5735 | GB511J4-20 | HT193LB4-20 | HT8099-4-20 | BM21009-4-20 |
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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