The Mount,resilient,utility, cataloged under National Stock Number 5340-01-477-0388, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Muirhead Aerospace Ltd. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-477-0388 |
| Primary Part Number | 90507-2 |
| Item Name | Mount,resilient,utility |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Muirhead Aerospace Ltd |
| Status | ACTIVE |
| Distance Between Mounting Hole Centers | 1.375 INCHES NOMINAL IN |
| Style Designator | ROUND SPRING COMPRESSION FOUR-HOLE FLANGE |
| Flange Length | 1.938 INCHES NOMINAL IN |
| Shortest Distance Between Mounting Hole Centers | 1.375 INCHES NOMINAL IN |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| Flange Width | 1.938 INCHES NOMINAL IN |
| Material | ALUMINUM CORE |
| Material | ALUMINUM CUP |
| 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 |
|---|---|
| 90507-2 | Muirhead Aerospace Ltd (GBR) |
| 90507-2 | Stop-Choc Limited (GBR) |
| Reference | Meaning |
|---|---|
| 90507-2 | 5/9 Secondary reference Muirhead Aerospace Ltd Avionics Divison Penge |
| 90507-2 | 5/9 Secondary reference Barry Controls Ltd |
| 90200-34 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-477-0388 is a Mount,resilient,utility, manufactured by Muirhead Aerospace Ltd, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-477-0388 has 2 manufacturer part numbers on file: 90507-2 (Muirhead Aerospace Ltd), 90507-2 (Stop-Choc Limited).
Key specifications for 90507-2: Distance Between Mounting Hole Centers: 1.375 INCHES NOMINAL IN; Style Designator: ROUND SPRING COMPRESSION FOUR-HOLE FLANGE; Flange Length: 1.938 INCHES NOMINAL IN; Shortest Distance Between Mounting Hole Centers: 1.375 INCHES NOMINAL IN. 8 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.