The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-672-6799, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-672-6799 |
| Primary Part Number | 12605478-002 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Width Across Flats | 10.03 MILLIMETERS MINIMUM AND 10.18 MILLIMETERS MAXIMUM MM |
| Head Height | 11.57 MILLIMETERS MINIMUM AND 12.00 MILLIMETERS MAXIMUM MM |
| Fastener Length | 25.0 MILLIMETERS NOMINAL MM |
| Surface Treatment Document and Classification | 12600041,METHOD 4,MAGNI 575 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 25.0 MILLIMETERS NOMINAL MM |
| Material Document and Classification | ISO898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR ASTM F568M AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 12.0 MILLIMETERS MM |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Color | BLACK OVERALL |
| Surface Treatment | BLACK CHEMICAL FINISH OVERALL |
| Internal Drive Style | HEXAGON |
| Material | STEEL PROPERTY CLASS 12.9 OVERALL |
| Thread Series Designator | M |
| Head Diameter | 17.73 MILLIMETERS MINIMUM AND 18.27 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| 12605478-002 | Oshkosh Defense Llc (USA) |
| 12605478-002 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12414475-276 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12605478 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5305-01-672-6799 is a Screw,cap,socket Head, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-672-6799 has 3 manufacturer part numbers on file: 12605478-002 (Oshkosh Defense Llc), 12605478-002 (U S Army Tank Automotive Command Amsta-Im-Mm), 12414475-276 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-672-8965. Verify interchangeability with system specifications before substitution.
Key specifications for 12605478-002: Width Across Flats: 10.03 MILLIMETERS MINIMUM AND 10.18 MILLIMETERS MAXIMUM MM; Head Height: 11.57 MILLIMETERS MINIMUM AND 12.00 MILLIMETERS MAXIMUM MM; Fastener Length: 25.0 MILLIMETERS NOMINAL MM; Surface Treatment Document and Classification: 12600041,METHOD 4,MAGNI 575 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 15 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.