The Bolt,shoulder, cataloged under National Stock Number 5306-01-053-5002, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 21 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-053-5002 |
| Primary Part Number | GIB78348 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Head Height | 0.219 INCHES NOMINAL IN |
| Fastener Length | 1.312 INCHES NOMINAL IN |
| Shoulder Length | 0.923 INCHES MINIMUM AND 0.933 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | GPS20-200 TYPE 1,FSCM 02859 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.310 INCHES MINIMUM AND 0.311 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.188 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hole Configuration Style | HEXAGON FLATS |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 416 OVERALL |
| Hole Quantity | 6 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.070 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 |
NSN 5306-01-053-5002 is a Bolt,shoulder, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-053-5002 has 2 manufacturer part numbers on file: 78348 (L3harris Technologies, Inc Div Space & Airborne Systems), GIB78348 (L3harris Technologies, Inc Div Space & Airborne Systems).
3 possible matches (shared part number, not a government interchangeability claim): 4140-01-198-9352, 5962-01-269-3188, 6680-01-278-2374. Verify interchangeability with system specifications before substitution.
Key specifications for GIB78348: Head Height: 0.219 INCHES NOMINAL IN; Fastener Length: 1.312 INCHES NOMINAL IN; Shoulder Length: 0.923 INCHES MINIMUM AND 0.933 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: GPS20-200 TYPE 1,FSCM 02859 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 21 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.