The Spring,helical,extension, cataloged under National Stock Number 5360-00-701-6590, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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.
| Parameter | Value |
|---|---|
| NSN | 5360-00-701-6590 |
| Primary Part Number | 542-8334-002 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.180 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | 580-0069-00,CAGE 13499 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Load Rating | 2.50 POUNDS NOMINAL LBS |
| End Style | MACHINE LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.204 INCHES NOMINAL BOTH ENDS IN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.325 INCHES NOMINAL IN |
| Inside Diameter | 0.136 INCHES NOMINAL IN |
| Spring Length Under Load | 1.969 INCHES NOMINAL IN |
| Coil Quantity | 22 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Hook Radius | 0.109 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 118123 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 542-8334-002 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 5360-00-701-6590 is a Spring,helical,extension, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-701-6590 has 2 manufacturer part numbers on file: 118123 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 542-8334-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
1 possible match (shared part number, not a government interchangeability claim): 2520-00-933-0834. Verify interchangeability with system specifications before substitution.
Key specifications for 542-8334-002: Spring Free Outside Diameter: 0.180 INCHES NOMINAL IN; Surface Treatment Document and Classification: 580-0069-00,CAGE 13499 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Load Rating: 2.50 POUNDS NOMINAL LBS; End Style: MACHINE LOOP BOTH ENDS. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.