The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-001-9809, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems (operations) Limited. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-001-9809 |
| Primary Part Number | 3150-2120-006 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Bae Systems (operations) Limited |
| Status | ACTIVE |
| Head Height | 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Fastener Length | 0.484 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.193 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OR 66 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| First Diameter From Head | 0.100 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 304L OR STEEL COMP 316L OR STEEL COMP 302 OR STEEL COMP 347 OR STEEL COMP 321 OR STEEL COMP 317 OR STEEL COMP 316 OR STEEL COMP 310 OR STEEL COMP 309 OR STEEL COMP 305 OR STEEL COMP 304 OR STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.256 INCHES MINIMUM AND 0.270 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 |
|---|---|
| 3150-2120-006 PRIMARY | Bae Systems (operations) Limited (GBR) |
| Reference | Meaning |
|---|---|
| FF-S-92 | 4/1 Identification reference U.S. Government activity |
NSN 5305-00-001-9809 is a Screw,externally Relieved Body, manufactured by Bae Systems (operations) Limited, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-001-9809 has 1 manufacturer part number on file: 3150-2120-006 (Bae Systems (operations) Limited).
Key specifications for 3150-2120-006: Head Height: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN; Fastener Length: 0.484 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.193 INCHES MINIMUM AND 0.228 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.