The Mount,resilient,utility, cataloged under National Stock Number 5340-00-311-1663, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-311-1663 |
| Primary Part Number | D687992-1 |
| Item Name | Mount,resilient,utility |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Material Document and Classification | ASTM A283 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | ASTM A283 ASSN STD SINGLE MATERIAL RESPONSE WASHER |
| Flange Length | 4.688 INCHES NOMINAL IN |
| Inside Diameter | 0.656 INCHES NOMINAL IN |
| Height | 3.656 INCHES NOMINAL IN |
| Thread Size | 0.625-11UNC-2B ALL THREADED PORTIONS |
| Flange Width | 4.875 INCHES NOMINAL IN |
| Material | STEEL NUT |
| Material | STEEL SPACER |
| Material | STEEL WASHER |
| 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 |
|---|---|
| D687992-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| P9005241G1 PRIMARY | General Electric Company (USA) |
NSN 5340-00-311-1663 is a Mount,resilient,utility, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-311-1663 has 2 manufacturer part numbers on file: D687992-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), P9005241G1 (General Electric Company).
Key specifications for D687992-1: Material Document and Classification: ASTM A283 ASSN STD SINGLE MATERIAL RESPONSE NUT; Material Document and Classification: ASTM A283 ASSN STD SINGLE MATERIAL RESPONSE WASHER; Flange Length: 4.688 INCHES NOMINAL IN; Inside Diameter: 0.656 INCHES NOMINAL IN. 10 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.