The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-498-3147, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Accurate Screw Machine Corp Div Accurate Screw Machine Corporation. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-498-3147 |
| Primary Part Number | 114114-.437-SS-12A |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| Status | ACTIVE |
| Head Height | 0.102 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| Fastener Length | 0.407 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Thread Length | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.090 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 114114-.437-SS-12A | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1452570-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-498-3147 is a Screw,cap,socket Head, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-498-3147 has 1 manufacturer part number on file: 114114-.437-SS-12A (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).
Key specifications for 114114-.437-SS-12A: Head Height: 0.102 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN; Fastener Length: 0.407 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN; Thread Length: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.112 INCHES IN. 12 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.