The Setscrew, cataloged under National Stock Number 5305-00-461-5550, 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 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-461-5550 |
| Primary Part Number | 8712133 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Width Across Flats | 0.062 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| Fastener Length | 0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | CUP |
| Locking Feature | PELLET THREADS |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4130 OR STEEL COMP 4135 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 5130 OR STEEL COMP 5132 OR STEEL COMP 5135 OR STEEL COMP 5140 OR STEEL COMP 8630 OR STEEL COMP 8637 OR STEEL COMP 8640 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 |
|---|---|
| 8712133 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 25704-281280-42-0 | Knds Deutschland Gmbh & Co. Kg - Werk Kassel - (DEU) |
| 25704-281280-42-0 | Baainbw Dokumente Ohne Nutzungsrechte Des Baainbw Fur Beschaffungszwecke (DEU) |
| Reference | Meaning |
|---|---|
| 5305004615550 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5305004615550 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 8712133 | 5/9 Secondary reference Liebherr-Aerospace Lindenberg Gmbh |
| 8712133 | 5/9 Secondary reference Feinmechanische Werke Mainz Gmbh |
NSN 5305-00-461-5550 is a Setscrew, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-461-5550 has 3 manufacturer part numbers on file: 8712133 (U S Army Tank Automotive Command Amsta-Im-Mm), 25704-281280-42-0 (Knds Deutschland Gmbh & Co. Kg - Werk Kassel -), 25704-281280-42-0 (Baainbw Dokumente Ohne Nutzungsrechte Des Baainbw Fur Beschaffungszwecke).
Key specifications for 8712133: Width Across Flats: 0.062 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN; Fastener Length: 0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL; Thread Length: 0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN. 17 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.