The Insert,screw Thread, cataloged under National Stock Number 5325-01-706-3434, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Penn Engineering & Manufacturing Corp. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-706-3434 |
| Primary Part Number | AETC-420 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Flange Diameter | 0.400 INCHES NOMINAL IN |
| Length | 0.515 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS-QQ-P-416, CLASS 3 TYPE 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Mounting Method | UNTHREADED HOLE(S) |
| Insert Size | 0.3745 INCH IN |
| Style Designator | SERRATED |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| AETC-420 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
NSN 5325-01-706-3434 is a Insert,screw Thread, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-706-3434 has 1 manufacturer part number on file: AETC-420 (Penn Engineering & Manufacturing Corp).
Key specifications for AETC-420: Flange Diameter: 0.400 INCHES NOMINAL IN; Length: 0.515 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS-QQ-P-416, CLASS 3 TYPE 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Mounting Method: UNTHREADED HOLE(S). 12 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.