The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-159-5729, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hiab Usa Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-159-5729 |
| Primary Part Number | 992 2679 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hiab Usa Inc |
| Status | ACTIVE |
| Width Across Flats | 10.0 MILLIMETERS NOMINAL MM |
| Head Height | 12.0 MILLIMETERS NOMINAL MM |
| Fastener Length | 40.00 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 3.0 |
| Thread Length | 30.0 MILLIMETERS NOMINAL MM |
| Hardness Rating | 27.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | DIN 912 10.9 OR 12.9 FSCM 34914 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 12.0 MILLIMETERS MM |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Minimum Tensile Strength | 142230 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 128000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Material | STEEL OVERALL |
| Thread Series Designator | M |
| Head Diameter | 18.0 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5305-01-159-5729 is a Screw,cap,socket Head, manufactured by Hiab Usa Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-159-5729 has 2 manufacturer part numbers on file: 2AW721 (Oshkosh Defense Llc), 992 2679 (Hiab Usa Inc).
Key specifications for 992 2679: Width Across Flats: 10.0 MILLIMETERS NOMINAL MM; Head Height: 12.0 MILLIMETERS NOMINAL MM; Fastener Length: 40.00 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 3.0. 16 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.