The Bolt,machine, cataloged under National Stock Number 5306-01-532-9917, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-532-9917 |
| Primary Part Number | 91257A700 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Head Height | 0.281 INCHES NOMINAL IN |
| Fastener Length | 2.250 INCHES NOMINAL IN |
| Thread Length | 1.250 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.437 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.625 INCHES NOMINAL IN |
| Color | YELLOW OVERALL |
| Surface Treatment | ZINC ALLOY OVERALL |
| Thread Quantity Per Inch | 20 |
| Material | 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 |
|---|---|
| 91257A700 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 9904-000033-000 | 3/9 Design control — primary reference Ussc Group Inc Dba Jg Seating |
| 9904-000033-000 | C/1 Advisory reference — outside the item-of-supply concept Global Seating Systems Llc Div Global Seating Systems |
NSN 5306-01-532-9917 is a Bolt,machine, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-532-9917 has 1 manufacturer part number on file: 91257A700 (Mcmaster-Carr Supply Co).
Key specifications for 91257A700: Head Height: 0.281 INCHES NOMINAL IN; Fastener Length: 2.250 INCHES NOMINAL IN; Thread Length: 1.250 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.437 INCHES IN. 12 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.