The Screw,close Tolerance, cataloged under National Stock Number 5305-01-200-1433, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-200-1433 |
| Primary Part Number | BACB30VF4K14 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Fastener Length | 1.235 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | BMS10-85 TYPE 1,FSCM 81205 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.355 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 95000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.364 INCHES MINIMUM AND 0.397 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 |
|---|---|
| BACB30VF4K14 PRIMARY | Hi-Shear Corporation (USA) |
| BACB30VF4K14 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30VF4K14 PRIMARY | Huck International, Inc (USA) |
| BACB30VF4K14 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BACB30VF4K14 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| BACB30VF4K14 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30VF4K14 | 5/9 Secondary reference U.S. Government activity |
| BACB30VF4K14 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-200-1433 is a Screw,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-200-1433 has 5 manufacturer part numbers on file: BACB30VF4K14 (Hi-Shear Corporation), BACB30VF4K14 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30VF4K14 (Huck International, Inc), BACB30VF4K14 (Howmet Global Fastening Systems Inc), BACB30VF4K14 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc).
Key specifications for BACB30VF4K14: Fastener Length: 1.235 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN; Surface Treatment Document and Classification: BMS10-85 TYPE 1,FSCM 81205 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.355 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Material Document and Classification: AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 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.