The Inserter,seal, cataloged under National Stock Number 5120-00-014-2902, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-014-2902 |
| Primary Part Number | S6172-35031-1 |
| Item Name | Inserter,seal |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Bore Length | 0.250 INCHES NOMINAL IN |
| Diameter | 1.735 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN |
| Functional Description | USED TO INSTALL NO. 504266 SEAL IN S6137-66708 SEAL RETAINER IN OUTPUT SHAFT TAIL GEAR BOX |
| Bore Diameter | 1.500 INCHES NOMINAL 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 |
|---|---|
| S6172-35031-1 | Leonardo Uk Ltd (GBR) |
| S6172-35031-1 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5120-00-014-2902 is a Inserter,seal, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-014-2902 has 2 manufacturer part numbers on file: S6172-35031-1 (Leonardo Uk Ltd), S6172-35031-1 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S6172-35031-1: Bore Length: 0.250 INCHES NOMINAL IN; Diameter: 1.735 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN; Overall Length: 1.000 INCHES NOMINAL IN; Special Features: 1 IN. DIA CENTER THRU HOLE; RECESSED ON BOTH ENDS IN. 4 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.