The Screw,machine, cataloged under National Stock Number 5305-01-191-0381, 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 Div PB Fasteners. Government technical data includes 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-191-0381 |
| Primary Part Number | PBF1355C08-3 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.526 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.328 INCHES MINIMUM AND 0.363 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Screw Material | IRON ALLOY 660 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | TORQUE SET |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNJC |
| Head Diameter | 0.308 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE 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 |
|---|---|
| PBF1355C08-3 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| HR217C-08-3 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| SC2174C08-3 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| HR217C-08-3 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| 122966C08-3 | 3/2 Design control — primary reference U.S. Government activity |
| GB511DU08C3 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| MATP111C08-3 | C/1 Advisory reference — outside the item-of-supply concept Abounding Security Inc Div of Maa Corp |
| MAT111C08-3 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
NSN 5305-01-191-0381 is a Screw,machine, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-191-0381 has 4 manufacturer part numbers on file: PBF1355C08-3 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), HR217C-08-3 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), SC2174C08-3 (Howmet Global Fastening Systems Inc), HR217C-08-3 (Hi-Shear Corporation).
Key specifications for PBF1355C08-3: Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.526 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE. 16 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.