The Screw,tapping, cataloged under National Stock Number 5305-00-021-8309, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. 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 | 5305-00-021-8309 |
| Primary Part Number | 218309 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Army Weapons Command Attn Amswe-Ree-S |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.164 INCHES IN |
| Head Height | 0.081 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN |
| Fastener Length | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-16232,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nonmachine Thread Style | GIMLET POINT (TYPE A, AB OR BA) |
| Features Provided | CASEHARDENED |
| Head Style | PAN NO. 2 |
| Departure From Cited Designator | AS MODIFIED BY HEAD DIMENSIONS |
| Surface Treatment | PHOSPHATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Material | STEEL OVERALL |
| Head Diameter | 0.301 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 218309 | Army Weapons Command Attn Amswe-Ree-S (USA) |
NSN 5305-00-021-8309 is a Screw,tapping, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-021-8309 has 1 manufacturer part number on file: 218309 (Army Weapons Command Attn Amswe-Ree-S).
Key specifications for 218309: Nonmachine Nominal Thread Diameter: 0.164 INCHES IN; Head Height: 0.081 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN; Fastener Length: 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-16232,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.