The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-186-8567, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-186-8567 |
| Primary Part Number | 81340269 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Head Height | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| Fastener Length | 1.688 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM B633 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 81340269 PRIMARY | Fairbanks Morse, Llc (USA) |
| 81340269N | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 81340269 | 3/9 Design control — primary reference U.S. Government activity |
| 81340269N | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 91121349 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5305-01-186-8567 is a Screw,cap,hexagon Head, manufactured by Fairbanks Morse, Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-186-8567 has 2 manufacturer part numbers on file: 81340269 (Fairbanks Morse, Llc), 81340269N (Fairbanks Morse, Llc).
Key specifications for 81340269: Head Height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN; Fastener Length: 1.688 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM B633 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 1.250 INCHES NOMINAL IN. 13 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.