The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-142-4667, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-142-4667 |
| Primary Part Number | 584873 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Width Across Flats | 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Head Height | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Fastener Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE THREADS |
| Precious Material | SILVER |
| Thread Length | 0.657 INCHES MINIMUM AND 0.677 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5708 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | SILVER THREADS |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM 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 |
|---|---|
| 584873 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 584873 | 5/2 Secondary reference U.S. Government activity |
| 584873 | 3/9 Design control — primary reference Royal Oak Gage, Inc |
NSN 5305-00-142-4667 is a Screw,cap,socket Head, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-142-4667 has 1 manufacturer part number on file: 584873 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 584873: Width Across Flats: 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Head Height: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN; Fastener Length: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE THREADS. 17 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.