The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-210-7404, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Quality Socket Screw Manufacturing Corp. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-210-7404 |
| Primary Part Number | 577R005H82 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Quality Socket Screw Manufacturing Corp |
| Status | ACTIVE |
| Width Across Flats | 0.141 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Head Height | 0.157 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN |
| Fastener Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A322 ASSN STD ALL MATERIAL RESPONSES OR ASTM A331 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| First Diameter From Head | 0.120 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.256 INCHES MINIMUM AND 0.264 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 |
|---|---|
| 577R005H82 | Quality Socket Screw Manufacturing Corp (USA) |
| 577R005H82 | Unicorp. (USA) |
| 577R005H82 | Fastener Technology Corp (USA) |
| Reference | Meaning |
|---|---|
| 577R005H82 | 3/2 Design control — primary reference U.S. Government activity |
| D791518-82 | 5/9 Secondary reference U.S. Government activity |
| D791518-82 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc. Div Huck Products Division |
NSN 5306-01-210-7404 is a Bolt,internal Wrenching, manufactured by Quality Socket Screw Manufacturing Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-210-7404 has 3 manufacturer part numbers on file: 577R005H82 (Quality Socket Screw Manufacturing Corp), 577R005H82 (Unicorp.), 577R005H82 (Fastener Technology Corp).
Key specifications for 577R005H82: Width Across Flats: 0.141 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Head Height: 0.157 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN; Fastener Length: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.