The Screw,close Tolerance, cataloged under National Stock Number 5305-01-247-7610, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-247-7610 |
| Primary Part Number | BACB30RF8-17 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Fastener Length | 1.5885 INCHES MINIMUM AND 1.6185 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 CLASS 125SC6 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.541 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.0525 INCHES MINIMUM AND 1.0725 INCHES MAXIMUM IN |
| Grip Diameter | 0.4990 INCHES MINIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.688 INCHES MINIMUM AND 0.756 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 |
|---|---|
| BACB30RF8-17 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| BACB30RF8-17 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30RF8-17 PRIMARY | Huck International, Inc (USA) |
| BACB30RF8-17 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| BACB30RF8-17 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30RF8-17 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30RF8-17 | 5/9 Secondary reference U.S. Government activity |
| BACB30RF8-17 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-247-7610 is a Screw,close Tolerance, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-247-7610 has 4 manufacturer part numbers on file: BACB30RF8-17 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), BACB30RF8-17 (Sps Technologies, Llc Dba PB Fasteners), BACB30RF8-17 (Huck International, Inc), BACB30RF8-17 (Hi-Shear Corporation).
Key specifications for BACB30RF8-17: Fastener Length: 1.5885 INCHES MINIMUM AND 1.6185 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 CLASS 125SC6 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.541 INCHES NOMINAL IN; Material Document and Classification: AMS 5629 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.