The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-899-4499, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-899-4499 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Hole Configuration Style | ROUND |
| Material Document and Classification | 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.250 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.750 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.250 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 | 20 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hole Type | DRILLED |
| Hole Diameter | 0.062 INCHES NOMINAL IN |
| Head Diameter | 0.389 INCHES MINIMUM AND 0.414 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 |
| Reference | Meaning |
|---|---|
| 1022-10 | 3/9 Design control — primary reference Apollo Audio-Visual |
NSN 5305-00-899-4499 is a Screw,externally Relieved Body, classified under FSC 5305, Screws. Status: active.
6 possible matches (shared part number, not a government interchangeability claim): 5915-01-021-5606, 9340-01-426-0173, 4220-01-461-8682. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-00-899-4499: Head Height: 0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN; Fastener Length: 1.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.250 INCHES NOMINAL IN. 24 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.