The Bolt,machine, cataloged under National Stock Number 5306-00-121-2563, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Pattonair Usa Inc Dba Incora Div Uniseal Division. Government technical data includes 17 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 | 5306-00-121-2563 |
| Primary Part Number | AB1503F4 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Pattonair Usa Inc Dba Incora Div Uniseal Division |
| Status | ACTIVE |
| Head Height | 0.155 INCHES NOMINAL IN |
| Fastener Length | 0.516 INCHES MINIMUM AND 0.561 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.376 INCHES MINIMUM AND 0.451 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | UNDERCUT HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4037 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 |
|---|---|
| AB1503F4 PRIMARY | Pattonair Usa Inc Dba Incora Div Uniseal Division (USA) |
NSN 5306-00-121-2563 is a Bolt,machine, manufactured by Pattonair Usa Inc Dba Incora Div Uniseal Division, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-121-2563 has 1 manufacturer part number on file: AB1503F4 (Pattonair Usa Inc Dba Incora Div Uniseal Division).
Key specifications for AB1503F4: Head Height: 0.155 INCHES NOMINAL IN; Fastener Length: 0.516 INCHES MINIMUM AND 0.561 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.376 INCHES MINIMUM AND 0.451 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.