The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-272-8314, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-272-8314 |
| Primary Part Number | LL-HX5-5690 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| Status | ACTIVE |
| Fastener Length | 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Special Test Features | SPECIAL QUALITY CONTROL TESTING |
| Thread Length | 0.219 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Criticality Code Justification | SPCL |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Locking Feature | STRIP OR PELLET OR PATCH THREADS |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| 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 | 32 |
| Material | PLASTIC LOCKING FEATURE |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385 FASTENER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.257 INCHES MINIMUM AND 0.279 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 | S |
| Part Number | Manufacturer |
|---|---|
| LL-HX5-5690 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| Reference | Meaning |
|---|---|
| 115387-24693-C25 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5305-01-272-8314 is a Screw,cap,socket Head, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-272-8314 has 1 manufacturer part number on file: LL-HX5-5690 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
Key specifications for LL-HX5-5690: Fastener Length: 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Special Test Features: SPECIAL QUALITY CONTROL TESTING; Thread Length: 0.219 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Criticality Code Justification: SPCL. 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.