The Insert,screw Thread, cataloged under National Stock Number 5325-01-570-8646, 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 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-570-8646 |
| Primary Part Number | AKS9-632-80 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Avk Industries Products Inc |
| Status | ACTIVE |
| Flange Diameter | 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Width Across Flats | 0.265 INCHES NOMINAL IN |
| Length | 0.439 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | BPS-TZ-327 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Flange Thickness | 0.017 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN |
| Thread Length | 0.405 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN |
| Style Designator | FLANGE |
| Material Document and Classification | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Surface Treatment | TIN AND ZINC OVERALL |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL 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 |
|---|---|
| AKS9-632-80 PRIMARY | Avk Industries Products Inc (USA) |
| 12446871-18 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12446871 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5325-01-570-8646 is a Insert,screw Thread, manufactured by Avk Industries Products Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-570-8646 has 2 manufacturer part numbers on file: AKS9-632-80 (Avk Industries Products Inc), 12446871-18 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 5325-01-578-9754, 5325-01-628-5431. Verify interchangeability with system specifications before substitution.
Key specifications for AKS9-632-80: Flange Diameter: 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN; Width Across Flats: 0.265 INCHES NOMINAL IN; Length: 0.439 INCHES NOMINAL IN; Surface Treatment Document and Classification: BPS-TZ-327 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 15 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.