The Bumper, cataloged under National Stock Number 5340-00-911-9451, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Kirkhill, Inc. Dba Kirkhill Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-911-9451 |
| Primary Part Number | 600-045-1 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Kirkhill, Inc. Dba Kirkhill Inc |
| Status | ACTIVE |
| Bottom Flange Diameter | 0.320 INCHES NOMINAL IN |
| Outside/top Flange Diameter | 0.500 INCHES NOMINAL IN |
| Material Hardness Rating | 50.0 DUROMETER MINIMUM AND 60.0 DUROMETER MAXIMUM |
| Groove Diameter | 0.250 INCHES NOMINAL IN |
| Style Designator | DOUBLE FLANGE |
| Bottom Flange Width | 0.120 INCHES NOMINAL IN |
| Color | GRAY/GREY |
| Top Flange Width | 0.250 INCHES NOMINAL IN |
| Material | RUBBER NATURAL |
| 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 |
|---|---|
| 600-045-1 PRIMARY | Kirkhill, Inc. Dba Kirkhill Inc (USA) |
| Reference | Meaning |
|---|---|
| 600-04501 | 5/9 Secondary reference Kirkhill, Inc. Dba Kirkhill Inc |
| 600-045 | 5/9 Secondary reference Burke Industries Purosil Div |
NSN 5340-00-911-9451 is a Bumper, manufactured by Kirkhill, Inc. Dba Kirkhill Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-911-9451 has 1 manufacturer part number on file: 600-045-1 (Kirkhill, Inc. Dba Kirkhill Inc).
5 possible matches (shared part number, not a government interchangeability claim): 5330-01-104-8206, 5340-01-135-1014, 3040-01-287-6183. Verify interchangeability with system specifications before substitution.
Key specifications for 600-045-1: Bottom Flange Diameter: 0.320 INCHES NOMINAL IN; Overall Height: 0.430 INCHES NOMINAL IN; Outside/top Flange Diameter: 0.500 INCHES NOMINAL IN; Material Hardness Rating: 50.0 DUROMETER MINIMUM AND 60.0 DUROMETER MAXIMUM. 9 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.