The Screw,close Tolerance, cataloged under National Stock Number 5305-01-683-3965, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 19 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-683-3965 |
| Primary Part Number | AIC985B3-10R |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Fastener Length | 0.988 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-83488, TYPE II, CLASS 3 MIL SPEC SINGLE 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 | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.625 INCHES NOMINAL IN |
| Grip Diameter | 0.2041 INCHES MINIMUM AND 0.2051 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM 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 | 32 |
| Material | STEEL COMP H11 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 |
|---|---|
| AIC985B3-10R PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 121558-3-A10BX PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| H185B3-10R PRIMARY | Huck International, Inc (USA) |
| SF117B3-10R PRIMARY | Saturn Fasteners Inc (USA) |
| VT1694AS3-10X PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| VT1694AS310R | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| C7985B3-10R | 7/2 Vendor item drawing reference U.S. Government activity |
| 121558-3-A10BX | 3/2 Design control — primary reference U.S. Government activity |
| VT1694AS3-10X | 3/2 Design control — primary reference U.S. Government activity |
| H185B3-10R | 5/9 Secondary reference Hiltap Fittings Ltd |
| VT1694AS310R | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-683-3965 is a Screw,close Tolerance, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-683-3965 has 5 manufacturer part numbers on file: AIC985B3-10R (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 121558-3-A10BX (Sps Technologies, Llc Dba PB Fasteners), H185B3-10R (Huck International, Inc), SF117B3-10R (Saturn Fasteners Inc), VT1694AS3-10X (Howmet Global Fastening Systems Inc).
Key specifications for AIC985B3-10R: Fastener Length: 0.988 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-83488, TYPE II, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.363 INCHES NOMINAL IN; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL. 19 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.