The Retainer,nut and Bolt, cataloged under National Stock Number 5340-01-240-4935, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Corp Electronic Systems Defensive System Div. 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-240-4935 |
| Primary Part Number | 121683-001 |
| Item Name | Retainer,nut and Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Corp Electronic Systems Defensive System Div |
| Status | ACTIVE |
| Distance Between Mounting Hole Centers | 1.000 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-200/8, T6511 FED SPEC SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.164 INCHES NOMINAL IN |
| Center to Center Distance Between Cup and Mounting Hole | 0.500 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 121683-001 PRIMARY | Northrop Grumman Corp Electronic Systems Defensive System Div (USA) |
NSN 5340-01-240-4935 is a Retainer,nut and Bolt, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-240-4935 has 1 manufacturer part number on file: 121683-001 (Northrop Grumman Corp Electronic Systems Defensive System Div).
Key specifications for 121683-001: Overall Height: 0.625 INCHES NOMINAL IN; Distance Between Mounting Hole Centers: 1.000 INCHES NOMINAL IN; Material Document and Classification: QQ-A-200/8, T6511 FED SPEC SINGLE MATERIAL RESPONSE; Mounting Hole Diameter: 0.164 INCHES NOMINAL IN. 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.