The Bolt,ribbed Neck, cataloged under National Stock Number 5306-01-164-8502, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Merit Systems, Inc. Dba Merit Fasteners. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-164-8502 |
| Primary Part Number | 4001382 |
| Item Name | Bolt,ribbed Neck |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Merit Systems, Inc. Dba Merit Fasteners |
| Status | ACTIVE |
| Head Height | 0.172 INCHES NOMINAL IN |
| Fastener Length | 2.938 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nominal Thread Diameter | 0.132 INCHES IN |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.688 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 |
|---|---|
| 4001382 PRIMARY | Merit Systems, Inc. Dba Merit Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 4001382-1 | 7/2 Vendor item drawing reference Gichner Systems Group, Inc. Div C5isr Division |
| 4001382 | D/9 Drawing number reference only Gichner Systems Group, Inc. Div C5isr Division |
NSN 5306-01-164-8502 is a Bolt,ribbed Neck, manufactured by Merit Systems, Inc. Dba Merit Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-164-8502 has 1 manufacturer part number on file: 4001382 (Merit Systems, Inc. Dba Merit Fasteners).
Key specifications for 4001382: Head Height: 0.172 INCHES NOMINAL IN; Fastener Length: 2.938 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Nominal Thread Diameter: 0.132 INCHES IN. 12 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.