The Ring,piston, cataloged under National Stock Number 3040-01-690-7100, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-690-7100 |
| Primary Part Number | TVC30M325AT99SD |
| Item Name | Ring,piston |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| Ring Style | CONCENTRIC |
| Storage Temp Range | -60.0 TO 160.0 FAHRENHEIT DEGF |
| 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 |
|---|---|
| 13047862 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| TVC30M325AT99SD PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| E-19212 PRIMARY | Eclipse Engineering, Inc. Dba Eclipse Engineering Inc (USA) |
NSN 3040-01-690-7100 is a Ring,piston, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-690-7100 has 3 manufacturer part numbers on file: 13047862 (U S Army Tank Automotive Command Amsta-Im-Mm), TVC30M325AT99SD (Trelleborg Sealing Solutions Us, Inc.), E-19212 (Eclipse Engineering, Inc. Dba Eclipse Engineering Inc).
Key specifications for TVC30M325AT99SD: Ring Style: CONCENTRIC; Storage Temp Range: -60.0 TO 160.0 FAHRENHEIT DEGF; Special Features: PSI TENSILE STRENGTH 2500.0 TO 3500.0,SHORE D 57.0,ELONGATION BREAK AT 100.0 PERCENT,WITHSTAND SPEEDS UP TO 30 M/S AND 5900.0 FT MIN, WITHSTAND PRESSURE TO 3.5 MPA, DIMENSIONAL DATA OF 1.532 INCH ID AND 2.136 INCH OD IN; Part Name Assigned by Controlling Agency: SEAL,PISTON,FLANGED. 2 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.