The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-284-9665, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is J & S Precision Products Co (inc). Government technical data includes 24 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-284-9665 |
| Primary Part Number | 129295-1 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | J & S Precision Products Co (inc) |
| Status | ACTIVE |
| Head Height | 0.112 INCHES NOMINAL IN |
| Fastener Length | 0.666 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MI5-25 CAGE 94271 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Special Test Features | SPECIAL QUALITY CONTROL TESTING |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | ASTM 276 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A479 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.416 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.249 INCHES MINIMUM AND 0.259 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Test Data Document | 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 302 OR STEEL COMP 304 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
| Head Diameter | 0.276 INCHES MINIMUM AND 0.281 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 129295-1 | J & S Precision Products Co (inc) (USA) |
| Reference | Meaning |
|---|---|
| LL-HX5-8107 | 5/9 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| 129295-1 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5305-01-284-9665 is a Screw,externally Relieved Body, manufactured by J & S Precision Products Co (inc), classified under FSC 5305, Screws. Status: active.
NSN 5305-01-284-9665 has 1 manufacturer part number on file: 129295-1 (J & S Precision Products Co (inc)).
Key specifications for 129295-1: Head Height: 0.112 INCHES NOMINAL IN; Fastener Length: 0.666 INCHES NOMINAL IN; Surface Treatment Document and Classification: MI5-25 CAGE 94271 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Special Test Features: SPECIAL QUALITY CONTROL TESTING. 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.