The Screw,machine, cataloged under National Stock Number 5305-01-142-4778, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-142-4778 |
| Primary Part Number | 100A901508 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.188 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 303PB OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 348 OR STEEL COMP 384 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 100A901508 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 901508 | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 100A901508 | C/1 Advisory reference — outside the item-of-supply concept L3 Technologies, Inc. Div L3 Keo |
NSN 5305-01-142-4778 is a Screw,machine, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-142-4778 has 2 manufacturer part numbers on file: 100A901508 (Northrop Grumman Systems Corporation), 901508 (L3 Technologies, Inc. Div L3 Keo).
3 possible matches (shared part number, not a government interchangeability claim): 5330-01-372-3835, 5995-01-499-1359, 8970-01-728-6952. Verify interchangeability with system specifications before substitution.
Key specifications for 100A901508: Screw Surface Treatment: PASSIVATE; Fastener Length: 0.188 INCHES NOMINAL IN; Nominal Thread Diameter: 0.112 INCHES IN; Thread Direction: RIGHT-HAND. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.