The Screw,tapping, cataloged under National Stock Number 5305-01-156-5099, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-156-5099 |
| Primary Part Number | 118941A |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.375 INCHES IN |
| Extended Washer Thickness | 0.037 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| Head Height | 0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN |
| Fastener Length | 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-Z-325,CL 3,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN |
| Nonmachine Thread Style | BLUNT (TYPE TT) |
| Head Style | HEXAGON EXTENDED WASHER |
| Width Between Flats | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| 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 |
|---|---|
| 118941A PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 118941A | 5/9 Secondary reference Oshkosh Corp |
NSN 5305-01-156-5099 is a Screw,tapping, manufactured by Oshkosh Defense Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-156-5099 has 1 manufacturer part number on file: 118941A (Oshkosh Defense Llc).
Key specifications for 118941A: Nonmachine Nominal Thread Diameter: 0.375 INCHES IN; Extended Washer Thickness: 0.037 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN; Head Height: 0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN; Fastener Length: 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN. 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.