The Bolt,machine, cataloged under National Stock Number 5306-00-948-3243, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is F W Manufacturing & Engineering Co Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-948-3243 |
| Primary Part Number | 1-140-157-02 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | F W Manufacturing & Engineering Co Inc |
| Status | ACTIVE |
| Extended Washer Thickness | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Head Height | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Fastener Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Thread Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Hardness Rating | 65.0 ROCKWELL A MINIMUM AND 69.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | -3702,FSCM 91547 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.243 INCHES MINIMUM IN |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 1-140-157-02 | F W Manufacturing & Engineering Co Inc (USA) |
| 1-140-157-02 | J.w. Manufacturing, Inc Dba Arconic Fastening Systems and Rings (USA) |
| 1-140-157-02 | G.s. Precision, Inc. (USA) |
| 1-140-157-02 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| 1-140-157-02 | C/1 Advisory reference — outside the item-of-supply concept Ozark Aeroworks Llc |
| 1-140-157-02 | 3/9 Design control — primary reference U.S. Government activity |
| 1-140-157-02 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5306-00-948-3243 is a Bolt,machine, manufactured by F W Manufacturing & Engineering Co Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-948-3243 has 4 manufacturer part numbers on file: 1-140-157-02 (F W Manufacturing & Engineering Co Inc), 1-140-157-02 (J.w. Manufacturing, Inc Dba Arconic Fastening Systems and Rings), 1-140-157-02 (G.s. Precision, Inc.), 1-140-157-02 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
Key specifications for 1-140-157-02: Extended Washer Thickness: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN; Head Height: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN; Fastener Length: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN; Extended Washer Diameter: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. 15 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.