The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-286-8933, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Airmotive Carburetor. Government technical data includes 23 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-286-8933 |
| Primary Part Number | 334S607 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Airmotive Carburetor |
| Status | ACTIVE |
| Width Across Flats | 0.140 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN |
| Head Height | 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN |
| Fastener Length | 0.437 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.375 INCHES MINIMUM IN |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | ROUND INTERNAL HEXAGON |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Departure From Cited Designator | AS MODIFIED BY HEAD HOLE CONFIGURATION |
| Nondefinitive Spec/std Data | 6 TYPE |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 170000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hole Type | DRILLED |
| Hole Diameter | 0.047 INCHES NOMINAL IN |
| Head Diameter | 0.262 INCHES MINIMUM AND 0.270 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 |
|---|---|
| 334S607 PRIMARY | Airmotive Carburetor (USA) |
| Reference | Meaning |
|---|---|
| FFS86 | 4/1 Identification reference U.S. Government activity |
| 334S607 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
| 334S607 | 5/9 Secondary reference Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
NSN 5305-00-286-8933 is a Screw,cap,socket Head, manufactured by Airmotive Carburetor, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-286-8933 has 1 manufacturer part number on file: 334S607 (Airmotive Carburetor).
Key specifications for 334S607: Width Across Flats: 0.140 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN; Head Height: 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN; Fastener Length: 0.437 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 23 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.