The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-006-0662, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is M.s. Aerospace Inc. Dba Ms Aerospace Inc. Government technical data includes 20 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-006-0662 |
| Primary Part Number | MS27576-7-113 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | M.s. Aerospace Inc. Dba Ms Aerospace Inc |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES GRIP |
| Surface Finish | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.220 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN |
| Fastener Length | 7.645 INCHES MINIMUM AND 7.665 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 0.370 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 7.062 INCHES MINIMUM AND 7.078 INCHES MAXIMUM IN |
| Width Between Flats | 0.617 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Grip Diameter | 0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 6150 OR STEEL COMP 4130 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 7.448 INCHES MINIMUM AND 7.555 INCHES MAXIMUM FIRST HOLE 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 |
|---|---|
| MS27576-7-113 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| CIPRD-MS27576-7-113R | 5/9 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| MS27576-7-113 | 5/9 Secondary reference U.S. Government activity |
| CA4510-7-113 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
| MS27576-7-113 | 5/9 Secondary reference U.S. Government activity |
| MS27576-7-113R | 3/2 Design control — primary reference U.S. Government activity |
| 106467-7-113 | 5/9 Secondary reference U.S. Government activity |
| MS27576-7-113 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-006-0662 is a Bolt,close Tolerance, manufactured by M.s. Aerospace Inc. Dba Ms Aerospace Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-006-0662 has 1 manufacturer part number on file: MS27576-7-113 (M.s. Aerospace Inc. Dba Ms Aerospace Inc).
Key specifications for MS27576-7-113: Surface Finish: 63.0 MICROINCHES GRIP; Surface Finish: 63.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.220 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN; Fastener Length: 7.645 INCHES MINIMUM AND 7.665 INCHES MAXIMUM IN. 20 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.