The Screw,close Tolerance, cataloged under National Stock Number 5305-01-552-9120, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-552-9120 |
| Primary Part Number | BACS12JC4A11 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| 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 |
|---|---|
| BACS12JC4A11 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACS12JC4A11 | Heartland Precision Fasteners Inc (USA) |
| BACS12JC4A11 | Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona (USA) |
| BACS12JC4A11 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| BACS12JC4A11 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-552-9120 is a Screw,close Tolerance, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-552-9120 has 4 manufacturer part numbers on file: BACS12JC4A11 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACS12JC4A11 (Heartland Precision Fasteners Inc), BACS12JC4A11 (Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona), BACS12JC4A11 (The Boeing Company).
Key specifications for BACS12JC4A11: Special Features: SCREW,CLOSE TOLERANCE. 0 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.