The Bolt,square Neck, cataloged under National Stock Number 5306-01-106-9928, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Prestolite Electric Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-106-9928 |
| Primary Part Number | 79314 |
| Item Name | Bolt,square Neck |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Prestolite Electric Inc |
| Status | ACTIVE |
| Neck Length | 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Head Height | 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN |
| Fastener Length | 2.350 INCHES MINIMUM AND 2.410 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 1CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.950 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Neck Width | 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM 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 |
|---|---|
| 79314 PRIMARY | Prestolite Electric Inc (USA) |
| Reference | Meaning |
|---|---|
| 79314 | 5/9 Secondary reference Prestolite Electric Inc |
| A115 079314 | 5/9 Secondary reference Prestolite Electric Inc |
NSN 5306-01-106-9928 is a Bolt,square Neck, manufactured by Prestolite Electric Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-106-9928 has 1 manufacturer part number on file: 79314 (Prestolite Electric Inc).
Key specifications for 79314: Neck Length: 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN; Head Height: 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN; Fastener Length: 2.350 INCHES MINIMUM AND 2.410 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TY 1CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 14 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.