The Insert,screw Thread, cataloged under National Stock Number 5325-01-505-3122, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Avk Industries Products Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-505-3122 |
| Primary Part Number | ALSA-518-312 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Avk Industries Products Inc |
| Status | ACTIVE |
| Flange Diameter | 0.685 INCHES NOMINAL IN |
| Length | 0.822 INCHES MINIMUM AND 0.858 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM B633, TYPE II, CLASS FE/ZN 5 ASSN STD ALL TREATMENT RESPONSES OVERALL |
| Flange Thickness | 0.032 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN |
| Insert Size | 0.530 INCH DIAMETER IN |
| Material Document and Classification | ASTMA108 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Size | 0.312 INCHES IN |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 2B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 1008 AND STEEL COMP 1010 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 |
|---|---|
| ALSA-518-312 PRIMARY | Avk Industries Products Inc (USA) |
| 12446871-11 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5325-01-505-3122 is a Insert,screw Thread, manufactured by Avk Industries Products Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-505-3122 has 2 manufacturer part numbers on file: ALSA-518-312 (Avk Industries Products Inc), 12446871-11 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for ALSA-518-312: Flange Diameter: 0.685 INCHES NOMINAL IN; Length: 0.822 INCHES MINIMUM AND 0.858 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM B633, TYPE II, CLASS FE/ZN 5 ASSN STD ALL TREATMENT RESPONSES OVERALL; Flange Thickness: 0.032 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN. 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.