The Insert,screw Thread, cataloged under National Stock Number 5325-00-834-7664, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5325-00-834-7664 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Width Across Flats | 0.375 INCHES NOMINAL IN |
| Length | 0.438 INCHES NOMINAL IN |
| Insert Size | 0.375-16 UNC 3A A |
| Style Designator | KEYLOCK |
| Material Document and Classification | AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Top Unthreaded Portion Outside Diameter | 0.292 INCHES NOMINAL IN |
| Top Portion Unthreaded Outside Length | 0.048 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 99-3676 | 5/2 Secondary reference U.S. Government activity |
| 933B-4SD0437 | 3/9 Design control — primary reference Stanley Engineered Fastening Llc |
| 246-15-7 | 5/9 Secondary reference Stanley Engineered Fastening Llc |
NSN 5325-00-834-7664 is a Insert,screw Thread, classified under FSC 5325, Fastening Devices. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 2540-01-155-3660, 3010-01-187-2204, 5999-01-349-6839. Verify interchangeability with system specifications before substitution.
Key specifications for 5325-00-834-7664: Width Across Flats: 0.375 INCHES NOMINAL IN; Length: 0.438 INCHES NOMINAL IN; Insert Size: 0.375-16 UNC 3A A; Style Designator: KEYLOCK. 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.