The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-476-9820, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-476-9820 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 2.125 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-N-286 FED SPEC 1ST MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Locking Feature | STRIP OR PATCH THREADS |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | NICKEL ALLOY K-500 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 |
|---|---|
| 111-585177-109 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 0.500-13UNC-2AX 2.125IN.K-MONEL | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 6016151 PIECE 18 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 0.500-13UNC-2AX2.125IN. K-MONEL | 2/2 Government specification standardization U.S. Government activity |
| FF-S-86 | 4/1 Identification reference U.S. Government activity |
| 5858177 PIECE 1011 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 5305-01-476-9820 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-476-9820: Fastener Length: 2.125 INCHES MAXIMUM IN; Material Document and Classification: QQ-N-286 FED SPEC 1ST MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.500 INCHES IN; Head Style: FLAT COUNTERSUNK. 11 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.