The Spring,helical,compression, cataloged under National Stock Number 5360-00-346-4794, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5360-00-346-4794 |
| Primary Part Number | 42030A |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.150 INCHES NOMINAL IN |
| Load Rating | 22.300 POUNDS NOMINAL LBS |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.500 INCHES MAXIMUM IN |
| Accommodated Rod Diameter | 0.915 INCHES MINIMUM AND 0.925 INCHES MAXIMUM IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | AMS 5673,COND C ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.500 INCHES NOMINAL IN |
| Spring Deflection Rate | 28.000 POUNDS PER INCH MINIMUM AND 32.000 POUNDS PER INCH MAXIMUM LBS |
| Inside Diameter | 0.950 INCHES NOMINAL IN |
| Spring Length Under Load | 0.760 INCHES NOMINAL IN |
| Coil Quantity | 4.5 |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL COMP 631 OVERALL |
| 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 |
|---|---|
| 42030A | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA) |
| 201961972-01 | Cannon & Refermat, L.l.c. Dba Cannon & Refermat (USA) |
| 201961972 | Katy Spring & Manufacturing Inc Dba Katy Spring & Manufacturing Inc Div Katy Spring & Mfg., Inc (USA) |
| 201961972 | United Dynamics, Inc (USA) |
| Reference | Meaning |
|---|---|
| 201961972 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-346-4794 is a Spring,helical,compression, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-346-4794 has 4 manufacturer part numbers on file: 42030A (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), 201961972-01 (Cannon & Refermat, L.l.c. Dba Cannon & Refermat), 201961972 (Katy Spring & Manufacturing Inc Dba Katy Spring & Manufacturing Inc Div Katy Spring & Mfg., Inc), 201961972 (United Dynamics, Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-391-7242, 6625-01-563-7480. Verify interchangeability with system specifications before substitution.
Key specifications for 42030A: Spring Free Outside Diameter: 1.150 INCHES NOMINAL IN; Load Rating: 22.300 POUNDS NOMINAL LBS; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.500 INCHES MAXIMUM IN. 14 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.