The Screw,close Tolerance, cataloged under National Stock Number 5305-00-381-9876, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-381-9876 |
| Primary Part Number | 3MA585-31T |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Hardness Rating | 36.0 ROCKWELL C MAXIMUM AND 40.0 ROCKWELL C MINIMUM OVERALL |
| Grip Length | 1.928 INCHES MINIMUM AND 1.948 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| 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 |
|---|---|
| 3MA585-31T PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 3MFRA585-31T | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 5305-00-381-9876 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-381-9876 has 1 manufacturer part number on file: 3MA585-31T (The Boeing Company Div Defense).
Key specifications for 3MA585-31T: Hardness Rating: 36.0 ROCKWELL C MAXIMUM AND 40.0 ROCKWELL C MINIMUM OVERALL; Grip Length: 1.928 INCHES MINIMUM AND 1.948 INCHES MAXIMUM IN; Surface Treatment: CADMIUM AND CHROMATE OVERALL; Countersink Angle: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM. 4 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.