The Tool,puller,piston, cataloged under National Stock Number 5120-01-073-0377, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 1 specification, 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. 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 | 5120-01-073-0377 |
| Primary Part Number | GS15937-1 |
| Item Name | Tool,puller,piston |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| General Characteristics Item Description | ITEM CONSISTS OF A THREADED SHAFT WITH A FLAT WASHER WELDED TO ONE END,A RUBBER STOPPER AND KNURLED HANDLE OVER THE THREADED SHAFT,AND A HANDLE WELDED TO OTHER END OF SHAFT,OVERALL DIM. 2 IN. X 3/4 IN. X 3 1/2 IN. IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5120-01-073-0377 is a Tool,puller,piston, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-073-0377 has 2 manufacturer part numbers on file: GS15937-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 4857 (Ministerie Van Defensie Clskklu-Tekeningen Centrale Tekenkamer Kls).
2 possible matches (shared part number, not a government interchangeability claim): 5360-01-153-0590, 4310-01-498-5041. Verify interchangeability with system specifications before substitution.
Key specifications for GS15937-1: General Characteristics Item Description: ITEM CONSISTS OF A THREADED SHAFT WITH A FLAT WASHER WELDED TO ONE END,A RUBBER STOPPER AND KNURLED HANDLE OVER THE THREADED SHAFT,AND A HANDLE WELDED TO OTHER END OF SHAFT,OVERALL DIM. 2 IN. X 3/4 IN. X 3 1/2 IN. IN; End Item Identification: F100-PW-100 ENG JFC-110 BACKUP FUEL CONTROL. 1 specification is 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.