The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-652-9532, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Kennametal Inc. Div Charlotte Business Office. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-652-9532 |
| Primary Part Number | SRS-3 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Kennametal Inc. Div Charlotte Business Office |
| Status | ACTIVE |
| Width Across Flats | 0.1386 INCHES MINIMUM AND 0.1406 INCHES MAXIMUM IN |
| Head Height | 0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN |
| Fastener Length | 0.288 INCHES NOMINAL IN |
| Thread Pitch in Millimeters | 0.6 |
| Thread Length | 0.200 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 3.5 MILLIMETERS MM |
| Head Style | FLAT FILLISTER |
| Thread Direction | RIGHT-HAND |
| Color | BLACK OVERALL |
| Surface Treatment | BLACK CHEMICAL FINISH OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 4H |
| Material | STEEL OVERALL |
| Thread Series Designator | M |
| Head Diameter | 0.243 INCHES MINIMUM AND 0.253 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 |
|---|---|
| SRS-3 PRIMARY | Kennametal Inc. Div Charlotte Business Office (USA) |
NSN 5305-01-652-9532 is a Screw,cap,socket Head, manufactured by Kennametal Inc. Div Charlotte Business Office, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-652-9532 has 1 manufacturer part number on file: SRS-3 (Kennametal Inc. Div Charlotte Business Office).
Key specifications for SRS-3: Width Across Flats: 0.1386 INCHES MINIMUM AND 0.1406 INCHES MAXIMUM IN; Head Height: 0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN; Fastener Length: 0.288 INCHES NOMINAL IN; Thread Pitch in Millimeters: 0.6. 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.