The Screw,close Tolerance, cataloged under National Stock Number 5305-01-593-5673, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Reid Products Inc. Dba Reid Products Inc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-593-5673 |
| Primary Part Number | 11873-6-16-8 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Reid Products Inc. Dba Reid Products Inc |
| Status | ACTIVE |
| Head Height | 0.081 INCHES NOMINAL IN |
| Fastener Length | 1.350 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FILLISTER COUNTERSUNK |
| Grip Length | 1.000 INCHES NOMINAL IN |
| Grip Diameter | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | RECESSED TYPE I |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.564 INCHES NOMINAL IN |
| 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 |
|---|---|
| 11873-6-16-8 PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M707-6-16-8 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| HT4041-616-8 | Hi-Shear Corporation (USA) |
| HT4041-6-16-8 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HT4041-6-16-8 | Huck International, Inc (USA) |
| HT4041-6-16-8 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HT4041-616-8 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT4041-6-16-8 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M707-6-16-8 PRIMARY | The Boeing Company Div Defense (USA) |
| HT4041-6-16-8 | Howmet Global Fastening Systems Inc (USA) |
| HT4041-6-16-8 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HT4041-6-16-8 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5305-01-593-5673 is a Screw,close Tolerance, manufactured by Reid Products Inc. Dba Reid Products Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-593-5673 has 11 manufacturer part numbers on file: 11873-6-16-8 (Reid Products Inc. Dba Reid Products Inc), 3M707-6-16-8 (Heartland Precision Fasteners Inc), HT4041-616-8 (Hi-Shear Corporation), HT4041-6-16-8 (Fastener Innovation Technology, Inc. Dba F I T), HT4041-6-16-8 (Huck International, Inc) and 6 more.
Key specifications for 11873-6-16-8: Head Height: 0.081 INCHES NOMINAL IN; Fastener Length: 1.350 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.500 INCHES NOMINAL IN. 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.