The Setscrew, cataloged under National Stock Number 5305-01-475-8976, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-475-8976 |
| Primary Part Number | 845-7285244 ITEM 95 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Fastener Length | 0.880 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Point Style | HALF DOG |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | NICKEL ALLOY 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 |
| Part Number | Manufacturer |
|---|---|
| 845-7285244 ITEM 95 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2643-405-01 ITEM 95 | 7/2 Vendor item drawing reference U.S. Government activity |
| 0.250-20UNC-3AX 0.880LG NICU | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5305-01-475-8976 is a Setscrew, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-475-8976 has 1 manufacturer part number on file: 845-7285244 ITEM 95 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-644-2109. Verify interchangeability with system specifications before substitution.
Key specifications for 845-7285244 ITEM 95: Fastener Length: 0.880 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Head Style: HEADLESS (SETSCREW); Point Style: HALF DOG. 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.