The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-476-9138, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-476-9138 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 2.625 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-N-281 FED SPEC 1ST MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Locking Feature | STRIP THREADS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 11 |
| Material | NICKEL ALLOY 400 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 |
| Reference | Meaning |
|---|---|
| 0.625-11UNC-2AX 2.625IN.MONEL | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MIL-S-1222 | 5/9 Secondary reference U.S. Government activity |
| 0.625-11UNC-2AX2.625IN.MONEL | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-1222J | 4/1 Identification reference U.S. Government activity |
| M1222RN10C242NALN | 2/2 Government specification standardization U.S. Government activity |
| 5754851-31 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 5305-01-476-9138 is a Screw,cap,hexagon Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-476-9138: Fastener Length: 2.625 INCHES MAXIMUM IN; Material Document and Classification: QQ-N-281 FED SPEC 1ST MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.625 INCHES IN; Thread Direction: RIGHT-HAND. 9 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.