The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-317-4161, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-317-4161 |
| Primary Part Number | 2122270 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Flange Diameter | 1.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | DOD-P-16232,TY M,CL 1 DEF STAN/SPEC SINGLE TREATMENT RESPONSE |
| Flange Thickness | 0.200 INCHES NOMINAL IN |
| Body Outside Diameter | 0.872 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN |
| Style Designator | IRREGULAR |
| Material Document and Classification | AISI 1015 ASSN STD 1ST MATERIAL RESPONSE AND AISI 1016 ASSN STD 2ND MATERIAL RESPONSE AND AISI 1017 ASSN STD 3RD MATERIAL RESPONSE AND AISI 1018 ASSN STD 4TH MATERIAL RESPONSE AND AISI 1019 ASSN STD 5TH MATERIAL RESPONSE AND AISI 1020 ASSN STD 6TH MATERIAL RESPONSE AND AISI 1021 ASSN STD 7TH MATERIAL RESPONSE AND AISI 1022 ASSN STD 8TH MATERIAL RESPONSE AND AISI 1023 ASSN STD 9TH MATERIAL RESPONSE AND AISI 1024 ASSN STD 10TH MATERIAL RESPONSE AND AISI 1025 ASSN STD 11TH MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN |
| Body Inside Diameter | 0.375 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Bolt Circle Diameter | 1.000 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE |
| Material | STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR STEEL COMP 1025 |
| End Hole Diameter | 0.593 INCHES MINIMUM AND 0.603 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 2122270 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 5340PL0897246 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5340-01-317-4161 is a Retainer,helical Compression Spr, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-317-4161 has 1 manufacturer part number on file: 2122270 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2122270: Flange Diameter: 1.500 INCHES NOMINAL IN; Overall Height: 1.812 INCHES NOMINAL IN; Surface Treatment Document and Classification: DOD-P-16232,TY M,CL 1 DEF STAN/SPEC SINGLE TREATMENT RESPONSE; Flange Thickness: 0.200 INCHES NOMINAL IN. 13 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.