The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-155-7488, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems Canadacorp. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-155-7488 |
| Primary Part Number | 10501937 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | General Dynamics Land Systems Canadacorp |
| Status | ACTIVE |
| Width Across Flats | 3.0 MILLIMETERS NOMINAL MM |
| Fastener Length | 12.00 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 8.0 |
| Thread Length | 10.4 MILLIMETERS MINIMUM AND 12.0 MILLIMETERS MAXIMUM MM |
| Hardness Rating | 18.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 5.0 MILLIMETERS MM |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ZINC OVERALL |
| Minimum Tensile Strength | 113784 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 91000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Countersink Angle | 90.0 DEGREES NOMINAL |
| Material | STEEL PROPERTY CLASS 8.8 OVERALL |
| Thread Series Designator | M |
| Head Diameter | 10.0 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 |
| Part Number | Manufacturer |
|---|---|
| 10501937 PRIMARY | General Dynamics Land Systems Canadacorp (CAN) |
| ISO10642-8,8-A2L M5X12 | International Organization for Standardization (iso) (CHE) |
| Reference | Meaning |
|---|---|
| DIN7991-M5-12-10.9-A2L | 5/9 Secondary reference Din Deutsches Institut Fur Normung Ev |
| ISO10642 | 5/1 Secondary reference International Organization for Standardization (iso) |
| DIN7991-8,8-A2L M5X12 | 5/9 Secondary reference Din Deutsches Institut Fur Normung Ev |
NSN 5305-01-155-7488 is a Screw,cap,socket Head, manufactured by General Dynamics Land Systems Canadacorp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-155-7488 has 2 manufacturer part numbers on file: 10501937 (General Dynamics Land Systems Canadacorp), ISO10642-8,8-A2L M5X12 (International Organization for Standardization (iso)).
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-623-6111, 5305-01-733-4576. Verify interchangeability with system specifications before substitution.
Key specifications for 10501937: Width Across Flats: 3.0 MILLIMETERS NOMINAL MM; Fastener Length: 12.00 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 8.0; Thread Length: 10.4 MILLIMETERS MINIMUM AND 12.0 MILLIMETERS MAXIMUM MM. 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.