The Setscrew, cataloged under National Stock Number 5305-01-449-9371, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-449-9371 |
| Primary Part Number | 12981726-2 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Fastener Length | 1.283 INCHES MINIMUM AND 1.293 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-STD-171, 5.4.1. DIMENSIONAL LIMITS APPLY AFTER FINISH. MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | ASTM A276,A479,A580,A581,A582. 300 SERIES STAINLESS STEEL ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.437 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | POINTLESS |
| Nonstandard Thread Pitch Diameter | +0.3862 TO 0.3911 INCHES IN |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 12981726-2 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 5305-01-449-9371 is a Setscrew, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-449-9371 has 1 manufacturer part number on file: 12981726-2 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12981726-2: Fastener Length: 1.283 INCHES MINIMUM AND 1.293 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-STD-171, 5.4.1. DIMENSIONAL LIMITS APPLY AFTER FINISH. MIL STD SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: ASTM A276,A479,A580,A581,A582. 300 SERIES STAINLESS STEEL ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.437 INCHES IN. 13 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.