The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-251-7897, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 11 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 | 5340-01-251-7897 |
| Primary Part Number | 68A452627-2001 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Flange Diameter | 1.664 INCHES MINIMUM AND 1.669 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | PS13201,TY 2,CL 1,CAGEC 76301 MFR REF SINGLE TREATMENT RESPONSE |
| Flange Thickness | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Body Outside Diameter | 1.125 INCHES NOMINAL IN |
| Style Designator | IRREGULAR |
| Material Document and Classification | QQ-A-225/9,ALLOY 7075,T7351 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/9,T3 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-200/11,T73,T73510,OR T73511 FED SPEC 3RD MATERIAL RESPONSE |
| Body Inside Diameter | 0.938 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 7075 |
| End Hole Diameter | 0.813 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 68A452627-2001 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5340-01-251-7897 is a Retainer,helical Compression Spr, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-251-7897 has 1 manufacturer part number on file: 68A452627-2001 (The Boeing Company Div Defense).
Key specifications for 68A452627-2001: Flange Diameter: 1.664 INCHES MINIMUM AND 1.669 INCHES MAXIMUM IN; Overall Height: 1.042 INCHES NOMINAL IN; Surface Treatment Document and Classification: PS13201,TY 2,CL 1,CAGEC 76301 MFR REF SINGLE TREATMENT RESPONSE; Flange Thickness: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN. 11 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.