The Bumper, cataloged under National Stock Number 5340-00-964-1044, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 6 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-964-1044 |
| Primary Part Number | GS3854 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Outside/top Flange Diameter | 1.500 INCHES NOMINAL IN |
| Material Hardness Rating | 60.0 DUROMETER NOMINAL |
| Shank Length | 0.075 INCHES NOMINAL IN |
| Style Designator | FLAT RECESSED TOP THREADED STUD |
| Thread Size | 5/16-24 |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| GS3854 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| C-1020-TF5 | 5/9 Secondary reference U.S. Government activity |
| G19-961 | 5/9 Secondary reference U.S. Government activity |
| G-19-151 | 3/2 Design control — primary reference U.S. Government activity |
| G19-961/68 | 3/2 Design control — primary reference U.S. Government activity |
| C1020 | 5/9 Secondary reference U.S. Government activity |
| 28521-5 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-964-1044 is a Bumper, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-964-1044 has 1 manufacturer part number on file: GS3854 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-255-7854. Verify interchangeability with system specifications before substitution.
Key specifications for GS3854: Overall Height: 2.000 INCHES NOMINAL IN; Outside/top Flange Diameter: 1.500 INCHES NOMINAL IN; Material Hardness Rating: 60.0 DUROMETER NOMINAL; Shank Length: 0.075 INCHES NOMINAL IN. 6 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.