The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-271-2985, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-271-2985 |
| Primary Part Number | 13281229 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Head Height | 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Fastener Length | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Thread Length | 0.095 INCHES NOMINAL IN |
| First Diameter From Head | 0.072 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | DOUBLE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Test Data Document | 18876-13281229 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Thread Quantity Per Inch | 48 |
| Material | STEEL COMP 303SE OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.184 INCHES MINIMUM AND 0.185 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 |
|---|---|
| 13281229 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 13281229 | 5/1 Secondary reference Marion Worthey Dba Worthey Machine |
NSN 5305-01-271-2985 is a Screw,externally Relieved Body, manufactured by Us Army Aviation and Missile Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-271-2985 has 1 manufacturer part number on file: 13281229 (Us Army Aviation and Missile Command).
Key specifications for 13281229: Head Height: 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN; Fastener Length: 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Thread Length: 0.095 INCHES NOMINAL IN; First Diameter From Head: 0.072 INCHES NOMINAL IN. 16 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.