The Bolt,machine, cataloged under National Stock Number 5306-00-271-8435, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Hatch & Kirk, Inc.. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 27 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-271-8435 |
| Primary Part Number | N21032PC5 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Head Height | 0.875 INCHES NOMINAL IN |
| Fastener Length | 9.187 INCHES NOMINAL IN |
| Thread Length | 2.000 INCHES NOMINAL IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.221 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.125 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.687 INCHES NOMINAL IN |
| Minimum Tensile Strength | 140000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 1212 OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 8.775 INCHES NOMINAL FIRST HOLE 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 |
|---|---|
| N21032PC5 PRIMARY | Hatch & Kirk, Inc. (USA) |
| 3229144 PRIMARY | Hatch & Kirk, Inc. (USA) |
| N12767PC2 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| N4770PC2 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| NX14267PC2 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| N21032PC5 | 5/9 Secondary reference General Motors Corp |
| N12767PC2 | 5/9 Secondary reference General Motors Corp |
| N5767PC2 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| N9770PC2 | 5/9 Secondary reference General Motors Corp |
| N5767PC2 | 5/9 Secondary reference General Motors Corp |
| N8767PC2 | 5/9 Secondary reference General Motors Corp |
| N8767PC2 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| N12767PC2 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 3229144 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| N8767PC2 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| N4770PC2 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 3229144 | 5/9 Secondary reference General Motors Corp |
| N6520PC2 | 5/9 Secondary reference General Motors Corp |
| NX14267PC2 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| N21032PC5 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| N9770PC2 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| NX14267PC2 | 5/9 Secondary reference General Motors Corp |
| N6520PC2 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 5306-00-271-8435 is a Bolt,machine, manufactured by Hatch & Kirk, Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-271-8435 has 3 manufacturer part numbers on file: N21032PC5 (Hatch & Kirk, Inc.), 3229144 (Hatch & Kirk, Inc.), N12767PC2 (Hatch & Kirk, Inc.).
Key specifications for N21032PC5: Head Height: 0.875 INCHES NOMINAL IN; Fastener Length: 9.187 INCHES NOMINAL IN; Thread Length: 2.000 INCHES NOMINAL IN; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL. 17 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.