The Bolt,machine, cataloged under National Stock Number 5306-01-418-8538, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-418-8538 |
| Primary Part Number | L34976P055 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A193 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH THREADS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL 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 |
|---|---|
| L34976P055 | Long-Lok Llc (USA) |
| L34976P055 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| L34976 | D/9 Drawing number reference only General Electric Company |
| 5306PL1504559 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| T1227-P055 | 5/9 Secondary reference Long-Lok Llc |
NSN 5306-01-418-8538 is a Bolt,machine, manufactured by General Electric Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-418-8538 has 2 manufacturer part numbers on file: L34976P055 (Long-Lok Llc), L34976P055 (General Electric Company).
1 possible match (shared part number, not a government interchangeability claim): 5306-01-512-6126. Verify interchangeability with system specifications before substitution.
Key specifications for L34976P055: Fastener Length: 0.500 INCHES NOMINAL IN; Material Document and Classification: ASTM A193 ASSN STD ALL MATERIAL RESPONSES OVERALL; Nominal Thread Diameter: 0.375 INCHES IN; Head Style: HEXAGON. 10 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.