The Nut,plain,internal Wrenching, cataloged under National Stock Number 5310-00-149-8604, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is World Fasteners Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-149-8604 |
| Primary Part Number | GN1008-3 |
| Item Name | Nut,plain,internal Wrenching |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | World Fasteners Inc. |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Nut Diameter | 0.274 INCHES MINIMUM AND 0.278 INCHES MAXIMUM IN |
| Width Between Flats | 0.156 INCHES NOMINAL IN |
| Nut Height | 0.223 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Internal Drive Style | DOUBLE HEXAGON |
| Countersink Angle | 45.0 DEGREES NOMINAL NUT |
| Nut Style | INTERNAL WRENCHING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| GN1008-3 PRIMARY | World Fasteners Inc. (USA) |
| Reference | Meaning |
|---|---|
| GN1008-3 | 5/9 Secondary reference Allen Mfg Co Sub of Chicago Pneumatic Tool Co |
| ALLENUT6-32 | 5/9 Secondary reference Allen Mfg Co Sub of Chicago Pneumatic Tool Co |
NSN 5310-00-149-8604 is a Nut,plain,internal Wrenching, manufactured by World Fasteners Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-149-8604 has 1 manufacturer part number on file: GN1008-3 (World Fasteners Inc.).
Key specifications for GN1008-3: Thread Series: UNIFIED NATIONAL COARSE (UNC); Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.138 INCHES 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.