The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-407-9014, 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 19 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-407-9014 |
| Primary Part Number | X62899 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| Status | ACTIVE |
| Head Height | 0.310 INCHES NOMINAL IN |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-S-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A580, 300 SERIES ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A581, 300 SERIES ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A582, 300 SERIES ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-763, 300 SERIES FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.078 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | KNURLED NO. 5 |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.370 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.190 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 |
NSN 5305-01-407-9014 is a Screw,externally Relieved Body, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-407-9014 has 2 manufacturer part numbers on file: X62899 (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation), FTC7529 (Fastener Technology Corp).
Key specifications for X62899: Head Height: 0.310 INCHES NOMINAL IN; Fastener Length: 0.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-S-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN. 19 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.