The Clip,retaining, cataloged under National Stock Number 5340-01-028-6388, 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 5 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. 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 | 5340-01-028-6388 |
| Primary Part Number | 3907-020 |
| Item Name | Clip,retaining |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Woodward, Inc. Div Fuel Systems and Controls |
| Status | ACTIVE |
| Material Document and Classification | AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE |
| Stock Diameter | 0.028 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Width | 0.406 INCHES NOMINAL IN |
| Material | STEEL COMP 631 |
| 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 |
|---|---|
| 3907-020 PRIMARY | Woodward, Inc. Div Fuel Systems and Controls (USA) |
NSN 5340-01-028-6388 is a Clip,retaining, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-028-6388 has 1 manufacturer part number on file: 3907-020 (Woodward, Inc. Div Fuel Systems and Controls).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-390-8410. Verify interchangeability with system specifications before substitution.
Key specifications for 3907-020: Overall Height: 0.261 INCHES NOMINAL IN; Material Document and Classification: AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE; Stock Diameter: 0.028 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED. 5 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.