The Screw,close Tolerance, cataloged under National Stock Number 5305-01-164-7475, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Hi-Shear Corporation (CAGE 73197); Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (CAGE 78286); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528); Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (CAGE 16258) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-164-7475 |
| Primary Part Number | SS5112-420 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| 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 |
|---|---|
| SS5112-420 | Hi-Shear Corporation (USA) |
| SS5112-420 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| SS5112-420 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| SS5112-420 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| SS5112-420 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-164-7475 is a Screw,close Tolerance, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-164-7475 has 4 manufacturer part numbers on file: SS5112-420 (Hi-Shear Corporation), SS5112-420 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), SS5112-420 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), SS5112-420 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).
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.