The Bolt,machine, cataloged under National Stock Number 5306-00-486-2568, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Apcom Inc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-486-2568 |
| Primary Part Number | NAS1004-78A |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Apcom Inc |
| Status | ACTIVE |
| Head Height | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Fastener Length | 5.404 INCHES MINIMUM AND 5.434 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.514 INCHES MINIMUM AND 0.574 INCHES MAXIMUM IN |
| Hardness Rating | 248.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL |
| Material Document and Classification | AMS 5732 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5733 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 4.860 INCHES MINIMUM AND 4.890 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 130000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 85000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 OR STEEL 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 |
|---|---|
| NAS1004-78A PRIMARY | Apcom Inc (USA) |
| NAS1004-78A PRIMARY | Nor-Cal Supply Co (USA) |
| NAS1004-78A PRIMARY | Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp (USA) |
| NAS1004-78A PRIMARY | Hi-Shear Corporation (USA) |
| NAS1004-78A PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1004-78A PRIMARY | Qualified Air Components Inc. (USA) |
| NAS1004-78A PRIMARY | Plastic and Metal Products Corporation (USA) |
| NAS1004-78A PRIMARY | Huck International, Inc (USA) |
| NAS1004-78A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| NAS1004-78A | 5/9 Secondary reference F and C Sales Inc |
| NAS1004-78A | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1004-78A | 5/9 Secondary reference Air Industries Co Inc |
| NAS1004-78A | 5/9 Secondary reference Collins Engineering Corp |
| NAS1004-78A | 5/9 Secondary reference U.S. Government activity |
| NAS1004-78A | 3/2 Design control — primary reference U.S. Government activity |
| NAS1004-78A | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1004-78A | 3/2 Design control — primary reference U.S. Government activity |
| NAS1004-78A | 3/2 Design control — primary reference U.S. Government activity |
| NAS1004-78A | 5/9 Secondary reference U.S. Government activity |
NSN 5306-00-486-2568 is a Bolt,machine, manufactured by Apcom Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-486-2568 has 9 manufacturer part numbers on file: NAS1004-78A (Apcom Inc), NAS1004-78A (Nor-Cal Supply Co), NAS1004-78A (Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp), NAS1004-78A (Hi-Shear Corporation), NAS1004-78A (Fastener Innovation Technology, Inc. Dba F I T) and 4 more.
Key specifications for NAS1004-78A: Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Fastener Length: 5.404 INCHES MINIMUM AND 5.434 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.514 INCHES MINIMUM AND 0.574 INCHES MAXIMUM IN. 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.