The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-335-0157, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-335-0157 |
| Primary Part Number | 211050663 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Fastener Length | 0.875 INCHES NOMINAL IN |
| Material Document and Classification | QQ0N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | NICKEL ALLOY K-500 OVERALL |
| Thread Series Designator | UNRC |
| 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 |
|---|---|
| 211050663 PRIMARY | Naval Sea Systems Command (USA) |
| 596-7410251-64 | Naval Sea Systems Command (USA) |
| DF330613 FIND 36 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 596-7410251-33 | Naval Sea Systems Command (USA) |
| 211067350 | Naval Sea Systems Command (USA) |
| 801-6408529 FIND 36 | Naval Sea Systems Command (USA) |
| 596-7409224-29 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 0.375-16UNRC-3AX0.875LG NICUAL | 4/1 Identification reference U.S. Government activity |
| B831-9521-64 | 5/2 Secondary reference U.S. Government activity |
| B434-2410-29 | 5/2 Secondary reference U.S. Government activity |
| B831-9521-33 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-335-0157 is a Screw,cap,socket Head, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-335-0157 has 7 manufacturer part numbers on file: 211050663 (Naval Sea Systems Command), 596-7410251-64 (Naval Sea Systems Command), DF330613 FIND 36 (Huntington Ingalls Inc Div Newport News Shipbuilding), 596-7410251-33 (Naval Sea Systems Command), 211067350 (Naval Sea Systems Command) and 2 more.
1 possible match (shared part number, not a government interchangeability claim): 5305-01-497-5460. Verify interchangeability with system specifications before substitution.
Key specifications for 211050663: Fastener Length: 0.875 INCHES NOMINAL IN; Material Document and Classification: QQ0N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.375 INCHES IN; Thread Direction: RIGHT-HAND. 8 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.