The Screw,close Tolerance, cataloged under National Stock Number 5305-01-288-6578, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-288-6578 |
| Primary Part Number | VT1696-6-29 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Fastener Length | 2.382 INCHES MINIMUM AND 2.412 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.560 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.802 INCHES MINIMUM AND 1.822 INCHES MAXIMUM IN |
| Grip Diameter | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP H11 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.525 INCHES MINIMUM AND 0.770 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 |
|---|---|
| VT1696-6-29 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| PBF1198-6-29 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 121754-6-29 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC9535-6-29 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| C9535-6-29 | 7/2 Vendor item drawing reference U.S. Government activity |
| 121754-6-29 | 3/2 Design control — primary reference U.S. Government activity |
| 5305PL0784862 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| VT1696-6-29 | 5/2 Secondary reference U.S. Government activity |
| SC1776-6-29 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
NSN 5305-01-288-6578 is a Screw,close Tolerance, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-288-6578 has 4 manufacturer part numbers on file: VT1696-6-29 (Howmet Global Fastening Systems Inc), PBF1198-6-29 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 121754-6-29 (Sps Technologies, Llc Dba PB Fasteners), AIC9535-6-29 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
Key specifications for VT1696-6-29: Fastener Length: 2.382 INCHES MINIMUM AND 2.412 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.560 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN; Material Document and Classification: AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 18 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.