The Bolt,machine, cataloged under National Stock Number 5306-00-975-5227, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-975-5227 |
| Primary Part Number | 128AMM10112-1 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Head Height | 0.233 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN |
| Fastener Length | 0.303 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN |
| Thread Length | 0.234 INCHES MINIMUM IN |
| Shank Unthreaded Hole Diameter | 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.625 INCHES NOMINAL IN |
| Locking Feature | STRIP THREADS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 416 OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 0.302 INCHES MINIMUM AND 0.318 INCHES MAXIMUM 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 |
|---|---|
| 128AMM10112-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 128AMM10112-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5306-00-975-5227 is a Bolt,machine, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-975-5227 has 1 manufacturer part number on file: 128AMM10112-1 (Northrop Grumman Systems Corporation).
Key specifications for 128AMM10112-1: Head Height: 0.233 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN; Fastener Length: 0.303 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN; Thread Length: 0.234 INCHES MINIMUM IN; Shank Unthreaded Hole Diameter: 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM FIRST HOLE 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.