The Screw,shoulder, cataloged under National Stock Number 5305-01-220-3452, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-220-3452 |
| Primary Part Number | 91264A251 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Surface Treatment | CADMIUM OVERALL |
| 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 |
|---|---|
| 91264A251 | Mcmaster-Carr Supply Co (USA) |
| 12705-L-4-24B | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| 12705-L-4-24B | 3/2 Design control — primary reference U.S. Government activity |
| 12705-L-4-24B | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5305-01-220-3452 is a Screw,shoulder, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-220-3452 has 2 manufacturer part numbers on file: 91264A251 (Mcmaster-Carr Supply Co), 12705-L-4-24B (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
Key specifications for 91264A251: Surface Treatment: CADMIUM OVERALL. 1 specification is 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.