The Ring,piston, cataloged under National Stock Number 3040-00-232-4250, 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 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-232-4250 |
| Primary Part Number | S11452-36 |
| Item Name | Ring,piston |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| FSC Application Data | HYDRAULIC SYSTEM,ACFT |
| Material Document and Classification | MIL-S-5059,COND HARD MIL SPEC SINGLE MATERIAL RESPONSE INSERT |
| Material Document and Classification | ZZ-53-09257 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, TWO PIECE, STRAIGHT FACE |
| Distance From Pin Hole Center to Edge | 0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN |
| Joint Style | STEP JOINT |
| Oil Passage Type and Quantity | 1 HOLE HORIZONTALLY THROUGH RING |
| Radial Wall Thickness | 0.1870 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Surface Treatment | PASSIVATE INSIDE PERIPHERY |
| Pinhole Diameter | 0.046 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Standard Bore Diameter | 2.245 INCHES IN |
| Pin Hole Style | ROUND PINHOLE LEFT OF JOINT |
| Material | PLASTIC OVERALL |
| Material | STEEL COMP 301 INSERT |
| 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 |
|---|---|
| S11452-36 | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 960145-36 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-232-4250 is a Ring,piston, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-232-4250 has 1 manufacturer part number on file: S11452-36 (Trelleborg Sealing Solutions Us, Inc.).
Key specifications for S11452-36: FSC Application Data: HYDRAULIC SYSTEM,ACFT; Overall Width: 0.0600 INCHES NOMINAL IN; Material Document and Classification: MIL-S-5059,COND HARD MIL SPEC SINGLE MATERIAL RESPONSE INSERT; Material Document and Classification: ZZ-53-09257 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 15 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.