The Bolt,machine, cataloged under National Stock Number 5306-00-137-8145, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-137-8145 |
| Primary Part Number | 8774546-1 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Fastener Length | 3.920 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | TT-E-485,TY 2 FED SPEC SINGLE TREATMENT RESPONSE GRIP |
| Thread Length | 1.220 INCHES MINIMUM IN |
| Shank Unthreaded Hole Diameter | 0.062 INCHES MINIMUM AND 0.071 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | FINISHED HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.860 INCHES NOMINAL IN |
| Surface Treatment | ENAMEL GRIP |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 3.846 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 |
|---|---|
| 8774546-1 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| 8774546-1 | 3/9 Design control — primary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5306-00-137-8145 is a Bolt,machine, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-137-8145 has 1 manufacturer part number on file: 8774546-1 (L3 Technologies, Inc. Div Communication Systems-East).
Key specifications for 8774546-1: Fastener Length: 3.920 INCHES NOMINAL IN; Surface Treatment Document and Classification: TT-E-485,TY 2 FED SPEC SINGLE TREATMENT RESPONSE GRIP; Thread Length: 1.220 INCHES MINIMUM IN; Shank Unthreaded Hole Diameter: 0.062 INCHES MINIMUM AND 0.071 INCHES MAXIMUM FIRST HOLE IN. 15 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.