The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-01-252-9554, 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 Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba. Government technical data includes 6 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 2530-01-252-9554 |
| Primary Part Number | 70004-168 |
| Item Name | Cylinder Assembly,hydraulic Brak |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba |
| Status | ACTIVE |
| Bleeding Feature Quantity | 1 |
| Piston Rod End Similarity | IDENTICAL |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Mounting Position | LEFT |
| First Piston Rod End Style | FORK TYPE (CLEVIS) ALL WORKING ENDS |
| Bore Type | STRAIGHT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 70004-168 PRIMARY | Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (USA) |
| 7412065 | R & R Industries Ltd Inc (USA) |
| Reference | Meaning |
|---|---|
| 2530PL0823599 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2530PL1814978 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| FD9920 | 5/9 Secondary reference Federal Mogul Corp Sub Wagner Brake Moog Automotive Div |
| 8733928 | 5/9 Secondary reference Federal Mogul Corp Sub Wagner Brake Moog Automotive Div |
| F-7630 | 5/9 Secondary reference Federal Mogul Corp Sub Wagner Brake Moog Automotive Div |
| F9920 | 5/9 Secondary reference Federal Mogul Corp Sub Wagner Brake Moog Automotive Div |
NSN 2530-01-252-9554 is a Cylinder Assembly,hydraulic Brak, manufactured by Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-252-9554 has 2 manufacturer part numbers on file: 70004-168 (Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba), 7412065 (R & R Industries Ltd Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5915-01-332-1088, 5950-01-369-8399, 2540-01-696-9385. Verify interchangeability with system specifications before substitution.
Key specifications for 70004-168: Bleeding Feature Quantity: 1; Piston Rod End Similarity: IDENTICAL; Design Characteristics: SINGLE ACTING SINGLE CYLINDER; Mounting Position: LEFT. 6 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.