The Cylinder Assembly,actuating,line, cataloged under National Stock Number 2530-01-007-5481, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is United Equipment Accessories, Inc. Dba United Equipment Accessories Inc. Government technical data includes 28 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2530-01-007-5481 |
| Primary Part Number | RC11031 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | United Equipment Accessories, Inc. Dba United Equipment Accessories Inc |
| Status | ACTIVE |
| First Piston Rod End Thread Class | UNABLE TO DECODE |
| Mounting Facility Thread Class | 2B |
| Compressed Length | 9.904 INCHES NOMINAL IN |
| Extended Length | 10.794 INCHES NOMINAL IN |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| Port Thread Series Designator | UNABLE TO DECODE |
| First Piston Rod End Thread Quantity Per Inch | UNABLE TO DECODE |
| First End External Thread Length | UNABLE TO DECODE |
| Body Outside Diameter | 2.260 INCHES NOMINAL IN |
| Mounting Provision Arrangement Style | FOUR HOLE RECTANGULAR |
| First Piston Rod End Style | UNABLE TO DECODE |
| Longest Vertical Distance Between Mounting Centers | 0.875 INCHES NOMINAL IN |
| Mounting Facility Thread Quantity Per Inch | 18 |
| Mounting Facility Thread Length | 0.750 INCHES NOMINAL IN |
| Body Material | ALUMINUM ALLOY |
| Mounting Facility Thread Diameter | 0.312 INCHES NOMINAL IN |
| Port Nominal Pipe Thread Size | UNABLE TO DECODE |
| Port Style | UNABLE TO DECODE |
| First Piston Rod End Thread Series Designator | UNABLE TO DECODE |
| Mounting Facility Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Mounting Provision for Which Designed | THREADED MOUNTING HOLES |
| Integral Valve Operation Method | PNEUMATIC |
| Bore Diameter | 2.000 INCHES NOMINAL IN |
| Mounting Type and Location | FLAT CENTER SECTION |
| Mounting Facility Thread Direction | RIGHT-HAND |
| First Piston Rod End Thread Diameter | UNABLE TO DECODE |
| First End Outside Diameter | UNABLE TO DECODE |
| Longest Horizontal Distance Between Mounting Centers | 3.100 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| RC11031 PRIMARY | United Equipment Accessories, Inc. Dba United Equipment Accessories Inc (USA) |
| A27135-41-4 | Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA) |
| Reference | Meaning |
|---|---|
| RC11006 | 5/9 Secondary reference United Equipment Accessories, Inc. Dba United Equipment Accessories Inc |
| P7-20 | 5/9 Secondary reference Lin-Act Mfg Co |
NSN 2530-01-007-5481 is a Cylinder Assembly,actuating,line, manufactured by United Equipment Accessories, Inc. Dba United Equipment Accessories Inc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-007-5481 has 2 manufacturer part numbers on file: RC11031 (United Equipment Accessories, Inc. Dba United Equipment Accessories Inc), A27135-41-4 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.).
2 possible matches (shared part number, not a government interchangeability claim): 7035-01-631-6745, 7025-01-708-0416. Verify interchangeability with system specifications before substitution.
Key specifications for RC11031: First Piston Rod End Thread Class: UNABLE TO DECODE; Overall Height: 2.508 INCHES NOMINAL IN; Mounting Facility Thread Class: 2B; Compressed Length: 9.904 INCHES NOMINAL IN. 28 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.
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.