The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-080-9170, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Long-Lok Llc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-080-9170 |
| Primary Part Number | LL57D40S3 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Long-Lok Llc |
| Status | ACTIVE |
| Head Height | 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN |
| Fastener Length | 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.106 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-763,COND B FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763,COND B FED SPEC 2ND MATERIAL RESPONSE OR ASTM A582 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Locking Feature | STRIP THREADS |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.205 INCHES MINIMUM AND 0.219 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 |
|---|---|
| 642AS7525-6 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| LL57D40S3 PRIMARY | Long-Lok Llc (USA) |
NSN 5305-01-080-9170 is a Screw,cap,socket Head, manufactured by Long-Lok Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-080-9170 has 2 manufacturer part numbers on file: 642AS7525-6 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), LL57D40S3 (Long-Lok Llc).
Key specifications for LL57D40S3: Head Height: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN; Fastener Length: 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.106 INCHES MINIMUM AND 0.187 INCHES MAXIMUM 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.