The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-466-7263, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Pioneer Industries, Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-466-7263 |
| Primary Part Number | H71149-8-4 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Pioneer Industries, Llc |
| Status | ACTIVE |
| Fastener Length | 3.875 INCHES NOMINAL IN |
| Thread Length | 1.500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-286, CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Quantity Per Inch | 10 |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 1.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| H71149-8-4 PRIMARY | Pioneer Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| AM-1327 | 5/9 Secondary reference John Crane, Inc |
| AM-1327 | 5/9 Secondary reference Wartsila Lips Inc |
NSN 5305-01-466-7263 is a Screw,cap,socket Head, manufactured by Pioneer Industries, Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-466-7263 has 1 manufacturer part number on file: H71149-8-4 (Pioneer Industries, Llc).
Key specifications for H71149-8-4: Fastener Length: 3.875 INCHES NOMINAL IN; Thread Length: 1.500 INCHES NOMINAL IN; Material Document and Classification: QQ-N-286, CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.750 INCHES IN. 10 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.