The Insert,screw Thread, cataloged under National Stock Number 5325-00-905-2671, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Mine Safety Appliances Company. Government technical data includes 7 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-905-2671 |
| Primary Part Number | 76658 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| Width Across Flats | 1.062 INCHES NOMINAL IN |
| Length | 0.781 INCHES NOMINAL IN |
| Flange Thickness | 0.094 INCHES NOMINAL IN |
| Insert Size | 0.750-27 NS NS |
| Style Designator | FLANGE |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY OVERALL |
| 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 |
|---|---|
| 76658 PRIMARY | Mine Safety Appliances Company (USA) |
NSN 5325-00-905-2671 is a Insert,screw Thread, manufactured by Mine Safety Appliances Company, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-905-2671 has 1 manufacturer part number on file: 76658 (Mine Safety Appliances Company).
2 possible matches (shared part number, not a government interchangeability claim): 4810-01-137-2621, 5930-01-193-5238. Verify interchangeability with system specifications before substitution.
Key specifications for 76658: Width Across Flats: 1.062 INCHES NOMINAL IN; Length: 0.781 INCHES NOMINAL IN; Flange Thickness: 0.094 INCHES NOMINAL IN; Insert Size: 0.750-27 NS NS. 7 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.