The Bolt,shoulder, cataloged under National Stock Number 5306-01-167-6306, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-167-6306 |
| Primary Part Number | 400-4457275 ITEM 37 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Head Height | 0.500 INCHES NOMINAL IN |
| Fastener Length | 6.250 INCHES NOMINAL IN |
| Shoulder Length | 5.000 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.992 INCHES MINIMUM AND 0.994 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.250 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | QQ-N-286,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.000 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 10 |
| Material | NICKEL ALLOY K-500 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 1.250 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 |
|---|---|
| 400-4457275 ITEM 37 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 400-4457257ITEM | C/1 Advisory reference — outside the item-of-supply concept Huntington Ingalls Inc Div Newport News Shipbuilding |
| 400-4457257 ITEM 37 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 400-4457275ITEM | C/1 Advisory reference — outside the item-of-supply concept Huntington Ingalls Inc Div Newport News Shipbuilding |
| 400 5489320 REV-ITEM 11 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5306-01-167-6306 is a Bolt,shoulder, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-167-6306 has 1 manufacturer part number on file: 400-4457275 ITEM 37 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 400-4457275 ITEM 37: Head Height: 0.500 INCHES NOMINAL IN; Fastener Length: 6.250 INCHES NOMINAL IN; Shoulder Length: 5.000 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.992 INCHES MINIMUM AND 0.994 INCHES MAXIMUM FIRST SHOULDER IN. 16 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.