The Screw,close Tolerance, cataloged under National Stock Number 5305-01-692-5164, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-692-5164 |
| Primary Part Number | GS1009B3-4 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES OVERALL |
| Head Height | 0.049 INCHES NOMINAL IN |
| Fastener Length | 0.598 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ION VAPOR DEPOSITED ALUMINUM COATED PER MIL-DTL-83488,TY II,CL 3 MIL SPEC 1ST TREATMENT RESPONSE AND DRY FILM LUBRICANT PER MIL-PRF-46010(OR AS5272 TY I) APPLIED OVER ALUMINUM COATING MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Length | 0.363 INCHES NOMINAL IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | H11 ALLOY STEEL PER AMS6487 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL |
| Single Shear Strength | ERR-060 |
| Nominal Thread Diameter | 0.1900 INCHES IN |
| Features Provided | DRY FILM LUBRICANT |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.250 INCHES NOMINAL IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM AND LUBRICANT 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 | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.258 INCHES MINIMUM AND 0.305 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 |
|---|---|
| GS1009B3-4 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 93926B3-4 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| VT10021B3-4 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| SF116B3-4 PRIMARY | Saturn Fasteners Inc (USA) |
| AIC618B3-4 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| C20645 | D/9 Drawing number reference only U.S. Government activity |
| C20645B3-4 | 7/2 Vendor item drawing reference U.S. Government activity |
| 93926B3-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-692-5164 is a Screw,close Tolerance, manufactured by B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-692-5164 has 5 manufacturer part numbers on file: GS1009B3-4 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), 93926B3-4 (Sps Technologies, Llc Dba PB Fasteners), VT10021B3-4 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), SF116B3-4 (Saturn Fasteners Inc), AIC618B3-4 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
Key specifications for GS1009B3-4: Surface Finish: 32.0 MICROINCHES OVERALL; Head Height: 0.049 INCHES NOMINAL IN; Fastener Length: 0.598 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ION VAPOR DEPOSITED ALUMINUM COATED PER MIL-DTL-83488,TY II,CL 3 MIL SPEC 1ST TREATMENT RESPONSE AND DRY FILM LUBRICANT PER MIL-PRF-46010(OR AS5272 TY I) APPLIED OVER ALUMINUM COATING MIL SPEC 2ND TREATMENT RESPONSE OVERALL. 23 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.