The Piston,air Spring, cataloged under National Stock Number 1630-01-237-7726, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-01-237-7726 |
| Item Name | Piston,air Spring |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT SKI SYSTEM |
| General Characteristics Item Description | MATERIAL IS 4340 STEEL,PER MIL-S-8844,CLASS 1,COND E2;LENGTH IS 8.000 IN.;LARGE END DIA IS 2.995 IN. MIN AND 2.996 IN. MAX;HEAT TREATED 200,000 TO 220,000 PSI PER LAC 0522 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3314372-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1630-01-237-7726 is a Piston,air Spring, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
Key specifications for 1630-01-237-7726: FSC Application Data: AIRCRAFT SKI SYSTEM; General Characteristics Item Description: MATERIAL IS 4340 STEEL,PER MIL-S-8844,CLASS 1,COND E2;LENGTH IS 8.000 IN.;LARGE END DIA IS 2.995 IN. MIN AND 2.996 IN. MAX;HEAT TREATED 200,000 TO 220,000 PSI PER LAC 0522 IN; End Item Identification: LC-130H AIRCRAFT. 2 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.
NSN 1630-01-237-7726 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.