The Insert,panel Fastener, cataloged under National Stock Number 5325-01-155-4521, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-155-4521 |
| Item Name | Insert,panel Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Flange Diameter | 0.437 INCHES NOMINAL0.437 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Features Provided | POTTING HOLE AND POTTING HOLE AND POTTING SLOTPOTTING SLOT |
| Body Diameter | 0.230 INCHES NOMINAL0.230 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Shoulder Diameter | 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN |
| Insert Style | FLUSH FLANGEFLUSH FLANGE |
| Material | STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 OR STEEL COMP 1040 OVERALL |
| Thread Size and Series/type Designator | 0.138-32 UNJC |
| Hole Type | THREADEDTHREADED |
| 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 |
|---|---|
| 80-004-7-6 | 7/2 Vendor item drawing reference U.S. Government activity |
| SL2-2069-06-2P | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-155-4521 is a Insert,panel Fastener, classified under FSC 5325, Fastening Devices. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5950-01-266-0906. Verify interchangeability with system specifications before substitution.
Key specifications for 5325-01-155-4521: Flange Diameter: 0.437 INCHES NOMINAL0.437 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 0.335 INCHES NOMINAL0.335 INCHES NOMINAL 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.