The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-00-808-7953, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-808-7953 |
| Primary Part Number | 3473-040 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Woodward, Inc. Div Fuel Systems and Controls |
| Status | ACTIVE |
| Body Outside Diameter | 0.510 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN |
| Style Designator | IRREGULAR |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| Casehardening Indicator | NOT CASEHARDENED |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 630 |
| 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 |
|---|---|
| 3473-040 PRIMARY | Woodward, Inc. Div Fuel Systems and Controls (USA) |
NSN 5340-00-808-7953 is a Retainer,helical Compression Spr, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-808-7953 has 1 manufacturer part number on file: 3473-040 (Woodward, Inc. Div Fuel Systems and Controls).
Key specifications for 3473-040: Overall Height: 0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN; Body Outside Diameter: 0.510 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN; Style Designator: IRREGULAR; Material Document and Classification: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE. 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.