The Bolt,machine, cataloged under National Stock Number 5306-00-879-5953, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Valley-Todeco, Inc. Dba Arconic Fastening Systems. Government technical data includes 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-879-5953 |
| Primary Part Number | 327B511P002 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Head Height | 0.188 INCHES NOMINAL IN |
| Fastener Length | 0.325 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2403 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.263 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | HEXAGON LONGITUDINAL HOLE |
| Material Document and Classification | B50H270,FSCM 24446 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.062 INCHES NOMINAL IN |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Hole Quantity | 6 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.047 INCHES NOMINAL 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 |
|---|---|
| 327B511P002 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| 327B511P002 | C/1 Advisory reference — outside the item-of-supply concept General Electric Company |
| 327B511P002 | 5/9 Secondary reference General Electric Company |
| 327B511P002 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-879-5953 is a Bolt,machine, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-879-5953 has 1 manufacturer part number on file: 327B511P002 (Valley-Todeco, Inc. Dba Arconic Fastening Systems).
Key specifications for 327B511P002: Head Height: 0.188 INCHES NOMINAL IN; Fastener Length: 0.325 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2403 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.263 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN. 21 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.