The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-371-7937, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Buffaloes Fire Pump Inc. Dba R B Pump Co. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-371-7937 |
| Primary Part Number | D-5081-24-2482 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Buffaloes Fire Pump Inc. Dba R B Pump Co |
| Status | ACTIVE |
| Head Height | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| Fastener Length | 1.700 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.000 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM F593 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 1 TYPE |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 95000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 304 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 |
|---|---|
| D-5081-24-2482 | Buffaloes Fire Pump Inc. Dba R B Pump Co (USA) |
| Reference | Meaning |
|---|---|
| MS35307-365 CRE S 304 ONLY | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 123-1680562 PC 71 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 3/8-16UNC-2A X 1-3/4"LG, GR 304 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 3/8-16UNC-2A X 1"LG, GR 316 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 3/8-16UNC-2A X 1 LG TYI GR316 | 3/1 Design control — primary reference U.S. Government activity |
| MIL-S-1222 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-1222 | 4/1 Identification reference U.S. Government activity |
NSN 5305-01-371-7937 is a Screw,cap,hexagon Head, manufactured by Buffaloes Fire Pump Inc. Dba R B Pump Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-371-7937 has 1 manufacturer part number on file: D-5081-24-2482 (Buffaloes Fire Pump Inc. Dba R B Pump Co).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-371-8467. Verify interchangeability with system specifications before substitution.
Key specifications for D-5081-24-2482: Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN; Fastener Length: 1.700 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 1.000 INCHES MAXIMUM IN. 17 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.