The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-476-2471, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Moog Inc. Dba Ampac-Isp Corp. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-476-2471 |
| Primary Part Number | 1977-41595 ITEM 30 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Moog Inc. Dba Ampac-Isp Corp |
| Status | ACTIVE |
| Head Height | 0.211 INCHES NOMINAL IN |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Thread Length | 0.875 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL 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 |
|---|---|
| 36754-171 | Moog Inc. Dba Ampac-Isp Corp (USA) |
| 1977-41595 ITEM 30 PRIMARY | Moog Inc. Dba Ampac-Isp Corp (USA) |
| Reference | Meaning |
|---|---|
| 0.625-18UNC-2AX1.250LG NICUAL | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-476-2471 is a Screw,cap,hexagon Head, manufactured by Moog Inc. Dba Ampac-Isp Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-476-2471 has 2 manufacturer part numbers on file: 36754-171 (Moog Inc. Dba Ampac-Isp Corp), 1977-41595 ITEM 30 (Moog Inc. Dba Ampac-Isp Corp).
Key specifications for 1977-41595 ITEM 30: Head Height: 0.211 INCHES NOMINAL IN; Fastener Length: 1.250 INCHES NOMINAL IN; Thread Length: 0.875 INCHES NOMINAL IN; Nominal Thread Diameter: 0.312 INCHES IN. 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.