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512558 — PISTON,HYDRAULIC MOTOR-PUMP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

512558: PISTON,HYDRAULIC MOTOR-PUMP.

The PISTON,HYDRAULIC MOTOR-PUMP is a the manufacturer industrial component. Key specifications include special_features: HAT STYLE HEAD DESIGN; PISTON GROOVE TO ACCOMMODATE 2 RINGS; HAS FACILITY FOR BALL-TYPE ROD CONNECTION, end_item_identification: STAFFA HYDRAULIC MOTOR MODEL HMB-010 SERIES, general_characteristics_item_description: MATL: BRASS (HIGH TENSILE SILICON)TO BS2874 REF CZ135; 40.0MM DIA X 1.5IN. MM.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-678-1767, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
512558
NSN: 5330-00-678-1767
NIINs: 006781767, 013744322
FSC: 5330 — Packing and Gasket Materials
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
special_featuresHAT STYLE HEAD DESIGN; PISTON GROOVE TO ACCOMMODATE 2 RINGS; HAS FACILITY FOR BALL-TYPE ROD CONNECTION
end_item_identificationSTAFFA HYDRAULIC MOTOR MODEL HMB-010 SERIES
general_characteristics_item_descriptionMATL: BRASS (HIGH TENSILE SILICON)TO BS2874 REF CZ135; 40.0MM DIA X 1.5IN. MM
NSN5330-00-678-1767
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 512558 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FSC APPLICATION DATA: TRANSMISSION,VEHICULAR
•
SEAL WIDTH: 0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 1.500 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 1.000 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM CASE
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATATRANSMISSION,VEHICULAR
SEAL WIDTH0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER1.500 INCHES NOMINAL IN
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER1.000 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM CASE
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 3
5330006781767Reference document
Same NSN cross-reference
Reference document — Secondary reference
18510AReference document
Same NSN cross-reference
Reference document — Secondary reference
7996803Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 512558?
512558 is a PISTON,HYDRAULIC MOTOR-PUMP.
What parts can replace 512558?
There are 3 known substitutes for 512558: 5330006781767, 18510A, 7996803. Substitute compatibility should be verified for your specific system.
What is the NSN for 512558?
512558 is cataloged in the U.S. Government catalog under NSN 5330-00-678-1767. This indicates validated use in U.S. government and defense supply chains.
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