The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-00-165-8889, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 8 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.
| Parameter | Value |
|---|---|
| NSN | 5340-00-165-8889 |
| Primary Part Number | 6B7637 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Body Outside Diameter | 1.365 INCHES NOMINAL IN |
| Style Designator | IRREGULAR |
| Body Inside Diameter | 0.500 INCHES NOMINAL IN |
| Outside Chamfer Angle in Deg | 45.0 |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | ALUMINUM ALLOY |
| Outside Chamfer Depth | 0.200 INCHES NOMINAL IN |
| End Hole Diameter | 1.120 INCHES NOMINAL IN |
| 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 |
|---|---|
| 6B7637 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5340-00-165-8889 is a Retainer,helical Compression Spr, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-165-8889 has 1 manufacturer part number on file: 6B7637 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 6B7637: Overall Height: 1.880 INCHES NOMINAL IN; Body Outside Diameter: 1.365 INCHES NOMINAL IN; Style Designator: IRREGULAR; Body Inside Diameter: 0.500 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.