The Spring,helical,extension, cataloged under National Stock Number 5360-00-445-2431, 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. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 — Coil, Flat, Leaf, and Wire Springs (FSG 53) |
| Manufacturers | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (CAGE 06481); Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (CAGE 13499) |
| Parameter | Value |
|---|---|
| NSN | 5360-00-445-2431 |
| Primary Part Number | 543-6312-002 |
| 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 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 117998 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 543-6312-002 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| 543-6312-002 | 5/2 Secondary reference U.S. Government activity |
NSN 5360-00-445-2431 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 5360-00-445-2431 has 2 manufacturer part numbers on file: 117998 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 543-6312-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-031-5018, 5110-01-186-7748. Verify interchangeability with system specifications before substitution.
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.