The Retainer,nut and Bolt, cataloged under National Stock Number 5340-01-339-4493, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Esna, Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5340-01-339-4493 |
| Primary Part Number | 6413-126RET |
| Item Name | Retainer,nut and Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Grip Height | 0.105 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Style Designator | BARREL |
| Material Document and Classification | AISI 1050 ASSN STD 1ST MATERIAL RESPONSE AND AISI 1060 ASSN STD 2ND MATERIAL RESPONSE |
| Material Thickness | 0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN |
| Material | STEEL COMP 1050 AND STEEL COMP 1060 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6413-126RET PRIMARY | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| 6413-126RET | 5/9 Secondary reference Harvard Industries Inc |
NSN 5340-01-339-4493 is a Retainer,nut and Bolt, manufactured by Esna, Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-339-4493 has 1 manufacturer part number on file: 6413-126RET (Esna, Llc).
Key specifications for 6413-126RET: Overall Height: 0.446 INCHES MINIMUM IN; Grip Height: 0.105 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; Style Designator: BARREL; Material Document and Classification: AISI 1050 ASSN STD 1ST MATERIAL RESPONSE AND AISI 1060 ASSN STD 2ND MATERIAL RESPONSE. 5 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.