The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-186-0641, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Unac (CAGE F8357); Westrac Equipment Pty Ltd (CAGE Z02C9); Caterpillar (uk) Ltd (CAGE K0190); Caterpillar Inc Div Caterpillar Defense (CAGE 11083); William Adams Pty Ltd (CAGE Z8Q46) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-186-0641 |
| Primary Part Number | 3T0849 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| 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 |
|---|---|
| A07283 | Unac (FRA) |
| 3T-0849 | Westrac Equipment Pty Ltd (AUS) |
| 3T 849 | Caterpillar (uk) Ltd (GBR) |
| 3T0849 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 3T-0849 | William Adams Pty Ltd (AUS) |
| 3T-0849 | Hastings Deering (aust) Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 3T849 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 5305011860641 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 3T 849 | 5/9 Secondary reference Caterpillar Tractor Co Ltd |
NSN 5305-01-186-0641 is a Screw,cap,socket Head, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-186-0641 has 6 manufacturer part numbers on file: A07283 (Unac), 3T-0849 (Westrac Equipment Pty Ltd), 3T 849 (Caterpillar (uk) Ltd), 3T0849 (Caterpillar Inc Div Caterpillar Defense), 3T-0849 (William Adams Pty Ltd) and 1 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.