The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-332-3167, 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 20 specifications, cited from the U.S. Government catalog. The record lists 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-332-3167 |
| Primary Part Number | 73573-3-7 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Width Across Flats | 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Head Height | 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Fastener Length | 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.360 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.303 INCHES MINIMUM AND 0.312 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 |
|---|---|
| 965811-306C | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 73573-3-7 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| CP50001-306C | B & B Specialties Inc (USA) |
| CBS811-3-7 | Cbs Fasteners, Llc (USA) |
| 965811-306C | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| A0L4166-306 | All Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners (USA) |
| 965811-306C | Huck International, Inc (USA) |
| PBF1069-306C | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| AIC811-08-7 | 5/9 Secondary reference Air Industries Co Inc |
| 965811-306C | 5/9 Secondary reference First American Sales Co Inc |
| 965811-306C | 7/2 Vendor item drawing reference Raytheon Company Dba Raytheon Co |
| 965811-306C | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-332-3167 is a Screw,cap,socket Head, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-332-3167 has 8 manufacturer part numbers on file: 965811-306C (Fastener Innovation Technology, Inc. Dba F I T), 73573-3-7 (Sps Technologies, Llc Dba PB Fasteners), CP50001-306C (B & B Specialties Inc), CBS811-3-7 (Cbs Fasteners, Llc), 965811-306C (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 3 more.
Key specifications for 73573-3-7: Width Across Flats: 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Head Height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Fastener Length: 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 20 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.