The Bolt,machine, cataloged under National Stock Number 5306-00-441-1510, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-441-1510 |
| Primary Part Number | 61H198-1 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Fastener Length | 1.238 INCHES NOMINAL IN |
| Thread Length | 0.625 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.613 INCHES NOMINAL IN |
| Thread Class | 1A A |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| 103T856 | Westinghouse Electric Corp (USA) |
| 61H198-1 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 103T856 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 61H198-1 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 103T856 | 5/9 Secondary reference Colt Industries Operating Corp Pratt and Whitney Machine Tool Div |
NSN 5306-00-441-1510 is a Bolt,machine, manufactured by Westinghouse Electric Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-441-1510 has 4 manufacturer part numbers on file: 103T856 (Westinghouse Electric Corp), 61H198-1 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 103T856 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 61H198-1 (Westinghouse Electric Corp).
Key specifications for 61H198-1: Fastener Length: 1.238 INCHES NOMINAL IN; Thread Length: 0.625 INCHES NOMINAL IN; Nominal Thread Diameter: 0.312 INCHES IN; Features Provided: FINISHED HEAD. 10 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.