The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-00-656-2456, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 10 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 | 5340-00-656-2456 |
| Primary Part Number | 37W89202-1 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Flange Thickness | 0.035 INCHES NOMINAL IN |
| Body Outside Diameter | 0.750 INCHES NOMINAL IN |
| Style Designator | PARALLEL |
| Material Document and Classification | SAE 4130 ASSN STD SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.177 INCHES NOMINAL IN |
| Body Inside Diameter | 0.676 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Lip Thickness | 0.140 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 |
| End Hole Diameter | 0.260 INCHES MINIMUM AND 0.265 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 |
| Part Number | Manufacturer |
|---|---|
| 37W89202-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5340-00-656-2456 is a Retainer,helical Compression Spr, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-656-2456 has 1 manufacturer part number on file: 37W89202-1 (Northrop Grumman Systems Corporation).
Key specifications for 37W89202-1: Overall Height: 1.880 INCHES NOMINAL IN; Flange Thickness: 0.035 INCHES NOMINAL IN; Body Outside Diameter: 0.750 INCHES NOMINAL IN; Style Designator: PARALLEL. 10 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.