The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-138-4337, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company. Government technical data includes 18 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-138-4337 |
| Primary Part Number | 135474-3 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Head Height | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Fastener Length | 2.050 INCHES MINIMUM AND 2.070 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.380 INCHES MINIMUM IN |
| Material Document and Classification | ASTM A582 ASSN STD 1ST MATERIAL RESPONSE OR SAE ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 1.670 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 416 OR STEEL COMP 416F OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.276 INCHES MINIMUM AND 0.286 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 |
|---|---|
| 135474-3 PRIMARY | Raytheon Company (USA) |
NSN 5305-00-138-4337 is a Screw,externally Relieved Body, manufactured by Raytheon Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-138-4337 has 1 manufacturer part number on file: 135474-3 (Raytheon Company).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-365-9065. Verify interchangeability with system specifications before substitution.
Key specifications for 135474-3: Head Height: 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Fastener Length: 2.050 INCHES MINIMUM AND 2.070 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35,TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.380 INCHES MINIMUM IN. 18 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.