The Screw,assembled Washer, cataloged under National Stock Number 5305-01-591-8605, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Heartland Precision Fasteners Inc. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Heartland Precision Fasteners Inc (CAGE 0ZC92); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); B & B Specialties Inc (CAGE 62206); Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (CAGE 27624) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-591-8605 |
| Primary Part Number | 120-276C4T4P |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Heartland Precision Fasteners Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 120-276C4T4P | Heartland Precision Fasteners Inc (USA) |
| 120-276C4T4P | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 120-276C4T4P | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 120-276C4T4P | B & B Specialties Inc (USA) |
| 120-276C4T4P | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 120-276C4T4P | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 120-276C4T4P | Saturn Fasteners Inc (USA) |
| 120-276C4T4P | 3-V Fastener Co., Inc. (USA) |
| 120-276C4T4P | Lfc Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 120-276C4T4P | 3/2 Design control — primary reference U.S. Government activity |
| 120-276C4T4P | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-591-8605 is a Screw,assembled Washer, manufactured by Heartland Precision Fasteners Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-591-8605 has 9 manufacturer part numbers on file: 120-276C4T4P (Heartland Precision Fasteners Inc), 120-276C4T4P (Sps Technologies, Llc Dba PB Fasteners), 120-276C4T4P (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 120-276C4T4P (B & B Specialties Inc), 120-276C4T4P (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 4 more.
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.