The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-113-4808, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Alfa Laval Inc. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-113-4808 |
| Primary Part Number | A-C9402-1 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Alfa Laval Inc |
| Status | ACTIVE |
| Head Height | 0.370 INCHES NOMINAL IN |
| Fastener Length | 1.540 INCHES NOMINAL IN |
| Internal Thread Length | 0.750 INCHES NOMINAL CONCENTRIC HOLE IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE |
| Internal Thread Direction | RIGHT-HAND CONCENTRIC HOLE |
| Thread Length | 1.386 INCHES MINIMUM AND 1.540 INCHES MAXIMUM IN |
| Threads Per Inch | 18 CONCENTRIC HOLE |
| Style Designator | CONCENTRIC HOLE THREADED |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES CONCENTRIC HOLE IN |
| Width Between Flats | 0.750 INCHES NOMINAL IN |
| Internal Thread Class | 2B CONCENTRIC HOLE |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL COMP 1020 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| A-C9402-1 PRIMARY | Alfa Laval Inc (USA) |
| Reference | Meaning |
|---|---|
| 3N-371 PIECE 146 | 3/9 Design control — primary reference Alfa Laval Inc. |
| A-C9402-1 | 5/9 Secondary reference Alfa Laval Inc. |
NSN 5306-01-113-4808 is a Bolt,internally Relieved Body, manufactured by Alfa Laval Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-113-4808 has 1 manufacturer part number on file: A-C9402-1 (Alfa Laval Inc).
Key specifications for A-C9402-1: Head Height: 0.370 INCHES NOMINAL IN; Fastener Length: 1.540 INCHES NOMINAL IN; Internal Thread Length: 0.750 INCHES NOMINAL CONCENTRIC HOLE IN; Thread Series: UNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE. 20 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.