The Screw,tapping, cataloged under National Stock Number 5305-01-229-7989, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Tacoma Screw Products, Inc. Dba Tacoma Screw Products Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-229-7989 |
| Primary Part Number | 079-305-1B |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Tacoma Screw Products, Inc. Dba Tacoma Screw Products Inc |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.138 INCHES IN |
| Fastener Length | 2.000 INCHES NOMINAL IN |
| Nonmachine Thread Style | GIMLET POINT (TYPE A, AB OR BA) |
| Features Provided | CASEHARDENED |
| Head Style | FLAT COUNTERSUNK |
| Surface Treatment | PHOSPHATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Material | STEEL OVERALL |
| Head Diameter | 0.244 INCHES MINIMUM AND 0.279 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 |
|---|---|
| 079-305-1B PRIMARY | Tacoma Screw Products, Inc. Dba Tacoma Screw Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 079305 | 5/9 Secondary reference Tacoma Screw Products, Inc. Dba Tacoma Screw Products Inc |
| 0793051 | 5/9 Secondary reference Tacoma Screw Products, Inc. Dba Tacoma Screw Products Inc |
| 079305 | 5/9 Secondary reference Magnum International Ltd |
NSN 5305-01-229-7989 is a Screw,tapping, manufactured by Tacoma Screw Products, Inc. Dba Tacoma Screw Products Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-229-7989 has 1 manufacturer part number on file: 079-305-1B (Tacoma Screw Products, Inc. Dba Tacoma Screw Products Inc).
Key specifications for 079-305-1B: Nonmachine Nominal Thread Diameter: 0.138 INCHES IN; Fastener Length: 2.000 INCHES NOMINAL IN; Nonmachine Thread Style: GIMLET POINT (TYPE A, AB OR BA); Features Provided: CASEHARDENED. 10 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.