The Screw,machine, cataloged under National Stock Number 5305-01-648-4249, 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 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-648-4249 |
| Primary Part Number | BACS12FA08K12 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Extended Washer Thickness | 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN |
| Head Height | 0.059 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Screw Surface Treatment | ALUMINUM AND PHOSPHATE |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Screw Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE |
| Extended Washer Diameter | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Thread Length | 0.750 INCHES NOMINAL IN |
| Supplementary Features | K CODED PART SHALL BE COATED WITH A THERMOSETTING EPOXY MATERIAL APPLIED BY STAKE FASTENER COMPANY, DOC 4-04-0525 |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | ROUND EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Screw Material | TITANIUM ALLOY |
| Internal Drive Style | CROSS RECESS TYPE III |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNJC |
| Head Diameter | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | BBMS10-85, TY 1, CL A ASSN STD 1ST TREATMENT RESPONSE AND BAC5861 ASSN STD 2ND TREATMENT RESPONSE |
| 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 |
|---|---|
| BACS12FA08K12 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
NSN 5305-01-648-4249 is a Screw,machine, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-648-4249 has 1 manufacturer part number on file: BACS12FA08K12 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for BACS12FA08K12: Extended Washer Thickness: 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN; Head Height: 0.059 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN; Screw Surface Treatment: ALUMINUM AND PHOSPHATE; Fastener Length: 0.750 INCHES NOMINAL IN. 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.