The Screw,close Tolerance, cataloged under National Stock Number 5305-01-288-9156, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-288-9156 |
| Primary Part Number | 121754-7-25 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.195 INCHES NOMINAL IN |
| Fastener Length | 2.208 INCHES MINIMUM AND 2.258 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.668 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | FLUSH |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.540 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN |
| Grip Diameter | 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP H11 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.615 INCHES MINIMUM AND 0.898 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 |
|---|---|
| 121754-7-25 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| SF1776-7-25 | Saturn Fasteners Inc (USA) |
| C9535-7-25 | Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona (USA) |
| AIC9535-7-25 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| C9535-7-25 | Kelly Manufacturing Company (USA) |
| PBF1198-7-25 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VT1696-7-25 | Howmet Global Fastening Systems Inc (USA) |
| SC1776-7-25 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| VT1696-7-25 | 5/2 Secondary reference U.S. Government activity |
| 121754-7-25 | 3/2 Design control — primary reference U.S. Government activity |
| 5305PL0784867 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C9535-7-25 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5305-01-288-9156 is a Screw,close Tolerance, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-288-9156 has 8 manufacturer part numbers on file: 121754-7-25 (Sps Technologies, Llc Dba PB Fasteners), SF1776-7-25 (Saturn Fasteners Inc), C9535-7-25 (Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona), AIC9535-7-25 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), C9535-7-25 (Kelly Manufacturing Company) and 3 more.
Key specifications for 121754-7-25: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.195 INCHES NOMINAL IN. 20 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.