The Bumper, cataloged under National Stock Number 5340-01-255-1666, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 4 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 | 5340-01-255-1666 |
| Primary Part Number | 787AS473 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Material Document and Classification | MIL-P-22241, TYPE 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.248 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Distance Between Mounting Facility Centers | 0.528 INCHES NOMINAL IN |
| Material | PLASTIC |
| 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 |
|---|---|
| 787AS473 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5340-01-255-1666 is a Bumper, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-255-1666 has 1 manufacturer part number on file: 787AS473 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 787AS473: Overall Height: 1.190 INCHES NOMINAL IN; Material Document and Classification: MIL-P-22241, TYPE 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE; Mounting Hole Diameter: 0.248 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN; Overall Length: 1.750 INCHES NOMINAL IN. 4 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.