The Retainer,nut and Bolt, cataloged under National Stock Number 5340-01-203-6734, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-203-6734 |
| Primary Part Number | L4100255-003 |
| Item Name | Retainer,nut and Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Mounting Hole Diameter | 0.500 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Width Between Cup Flats | 1.016 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| L4100255-003 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| L4100155-003 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
NSN 5340-01-203-6734 is a Retainer,nut and Bolt, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-203-6734 has 1 manufacturer part number on file: L4100255-003 (The Boeing Company Div Legacy Am&m).
Key specifications for L4100255-003: Mounting Hole Diameter: 0.500 INCHES NOMINAL IN; Special Features: RETAINER CONTAINS 2 CUPS; Material: STEEL CORROSION RESISTING; Width Between Cup Flats: 1.016 INCHES NOMINAL IN. 3 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.