The Bolt,internal Wrenching, cataloged under National Stock Number 5306-00-488-7461, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-488-7461 |
| Primary Part Number | 204-040-787-1 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | M.s. Aerospace Inc. Dba Ms Aerospace Inc |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES OVERALL |
| Width Across Flats | 0.438 INCHES MINIMUM AND 0.441 INCHES MAXIMUM IN |
| Head Height | 0.552 INCHES MINIMUM AND 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM0.572 INCHES MAXIMUM IN |
| Fastener Length | 1.646 INCHES MINIMUM AND 1.666 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | BPS FNB 4084,FSCM 97499 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.636 INCHES MINIMUM AND 0.636 INCHES MINIMUM AND 0.676 INCHES MAXIMUM0.676 INCHES MAXIMUM IN |
| Hole Configuration Style | ROUND |
| Material Document and Classification | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALLMIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | OXIDE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 1818 |
| Material | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNFUNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.055 INCHES NOMINAL IN |
| Head Diameter | 0.928 INCHES MINIMUM AND 0.938 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 |
|---|---|
| 204-040-787-1 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| 204-040-787-001 | 5/2 Secondary reference U.S. Government activity |
| 204-040-787-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-488-7461 is a Bolt,internal Wrenching, manufactured by M.s. Aerospace Inc. Dba Ms Aerospace Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-488-7461 has 1 manufacturer part number on file: 204-040-787-1 (M.s. Aerospace Inc. Dba Ms Aerospace Inc).
Key specifications for 204-040-787-1: Surface Finish: 125.0 MICROINCHES OVERALL; Width Across Flats: 0.438 INCHES MINIMUM AND 0.441 INCHES MAXIMUM IN; Head Height: 0.552 INCHES MINIMUM AND 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM0.572 INCHES MAXIMUM IN; Fastener Length: 1.646 INCHES MINIMUM AND 1.666 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.