Cross reference · Hi-Shear (LISI Aerospace) · Close tolerance screw
HT193LB cross referenceHowmet HT8099, Huck BM21009, NAS1578V, Northrop GB511J
HT193LB is a Hi-Shear close tolerance screw series on 3 government stock numbers. Its closest equivalents are Howmet HT8099, Huck BM21009, NAS1578V, Northrop GB511J. Each one is labeled with how strong the evidence is.
- Issued by Hi-Shear
- Item Close tolerance screw
- Stock numbers 3
- Equivalents 7
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- 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
Airframer and OEM drawings
- GB511JNorthrop GrummanCatalog only, needs approvalon 3 of 3 stock numbers, 3 sizes
Plus 1 reference number whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for HT193LB
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for HT193LB. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
Sizes by maker
| NSN | HT193LB | HT8099 | BM21009 | NAS1578V | GB511J | Last DLA price |
|---|---|---|---|---|---|---|
| 5305-00-061-6467 | HT193LB3-1 | HT8099-3-1 | GB511J3-1 | |||
| 5305-01-042-4439 | HT193LB3-18 | HT8099-3-18 | BM21009-3-18 | NAS1578V318 | GB511J3-18 | |
| 5305-01-043-5735 | HT193LB4-20 | HT8099-4-20 | BM21009-4-20 | GB511J4-20 |
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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