The Screw,tapping, cataloged under National Stock Number 5305-01-156-5090, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Excel Corp. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Screw,tapping |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Excel Corp (CAGE 72286); Am General Llc (CAGE 34623); General Motors Corp (CAGE 24617) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-156-5090 |
| Primary Part Number | 271-006171 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Excel Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| 271-006171 PRIMARY | Excel Corp (USA) |
| MA310-21167 | Am General Llc (USA) |
| 9427933 | General Motors Corp (USA) |
NSN 5305-01-156-5090 is a Screw,tapping, manufactured by Excel Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-156-5090 has 3 manufacturer part numbers on file: 271-006171 (Excel Corp), MA310-21167 (Am General Llc), 9427933 (General Motors Corp).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-290-6172. Verify interchangeability with system specifications before substitution.
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.