The Bolt,shoulder, cataloged under National Stock Number 5306-01-325-8383, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-325-8383 |
| Primary Part Number | 2143880-2 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div |
| Status | ACTIVE |
| Head Height | 0.190 INCHES NOMINAL IN |
| Fastener Length | 1.125 INCHES NOMINAL IN |
| Shoulder Length | 0.073 INCHES MINIMUM AND 0.078 INCHES MAXIMUM SECOND SHOULDER IN |
| Shoulder Length | 0.084 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Length | 0.093 INCHES NOMINAL THIRD SHOULDER IN |
| Shoulder Length | 0.593 INCHES NOMINAL FOURTH SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.562 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.330 INCHES MINIMUM AND 0.335 INCHES MAXIMUM FOURTH SHOULDER IN |
| Shoulder Diameter | 0.437 INCHES NOMINAL SECOND SHOULDER IN |
| Shoulder Diameter | 0.562 INCHES NOMINAL THIRD SHOULDER IN |
| Thread Length | 0.532 INCHES NOMINAL IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Material Document and Classification | ASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.625 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OVERALL |
| Thread Series Designator | UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5306-01-325-8383 is a Bolt,shoulder, manufactured by Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-325-8383 has 2 manufacturer part numbers on file: 2143880-2 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div), 2143880-2 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems).
Key specifications for 2143880-2: Head Height: 0.190 INCHES NOMINAL IN; Fastener Length: 1.125 INCHES NOMINAL IN; Shoulder Length: 0.073 INCHES MINIMUM AND 0.078 INCHES MAXIMUM SECOND SHOULDER IN; Shoulder Length: 0.084 INCHES NOMINAL FIRST SHOULDER IN. 23 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.