The Setscrew, cataloged under National Stock Number 5305-00-952-8458, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 13 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 | 5305-00-952-8458 |
| Primary Part Number | 7748533 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Fastener Length | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN |
| Thread Length | 1.677 INCHES MINIMUM AND 1.697 INCHES MAXIMUM IN |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | CASEHARDENED |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | OVAL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1017 OR STEEL COMP 1020 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 7748533 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| SC350-28BL | Ambac International Corporation Div Ambac International (USA) |
NSN 5305-00-952-8458 is a Setscrew, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-952-8458 has 2 manufacturer part numbers on file: 7748533 (U S Army Tank Automotive Command Amsta-Im-Mm), SC350-28BL (Ambac International Corporation Div Ambac International).
Key specifications for 7748533: Fastener Length: 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN; Thread Length: 1.677 INCHES MINIMUM AND 1.697 INCHES MAXIMUM IN; Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL; Nominal Thread Diameter: 0.250 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.