The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-00-727-9078, 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 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-727-9078 |
| Primary Part Number | 121AVM10000-3 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Head Height | 0.750 INCHES NOMINAL IN |
| Fastener Length | 2.250 INCHES NOMINAL IN |
| Concentric Hole Depth | 1.125 INCHES NOMINAL IN |
| Thread Length | 0.875 INCHES NOMINAL IN |
| Counterbore Depth | 0.875 INCHES NOMINAL IN |
| Head Style | FLAT CHAMFER |
| Internal Thread Class | 3B CONCENTRIC HOLE |
| Concentric Hole Diameter | 0.281 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Head Diameter | 1.000 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 |
|---|---|
| 121AVM10000-3 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5306-00-727-9078 is a Bolt,internally Relieved Body, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-727-9078 has 1 manufacturer part number on file: 121AVM10000-3 (Northrop Grumman Systems Corporation).
Key specifications for 121AVM10000-3: Head Height: 0.750 INCHES NOMINAL IN; Fastener Length: 2.250 INCHES NOMINAL IN; Concentric Hole Depth: 1.125 INCHES NOMINAL IN; Thread Length: 0.875 INCHES NOMINAL IN. 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.