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573031 — PISTON ASSEMBLY,VALVE

✓ Government record, cited
Legrand · ORING SEAL
PRODUCT OVERVIEW

573031: PISTON ASSEMBLY,VALVE.

Mechanisms supplied with rocker plates, to be equipped with support frames and surround plates. Key specifications include general_characteristics_item_description: STEEL;1.535 IN.O/A LG;0.750 IN.DIA;1.000 IN.PISTON LENGTH;FOUR 0.278 IN.DIA PORTS INSIDE PISTON IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-067-3868, 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
573031
NSN: 5340-00-067-3868
NIINs: 000673868, 000899879, 008309251
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL;1.535 IN.O/A LG;0.750 IN.DIA;1.000 IN.PISTON LENGTH;FOUR 0.278 IN.DIA PORTS INSIDE PISTON IN
NSN5340-00-067-3868
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 573031 MFR: Legrand ⚠ 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
•
STYLE DESIGNATOR: SINGLE LOOP
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI C1005 THRU C1020 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1006 THRU 1020 ASSN STD SINGLE MATERIAL RESPONSE BAND
•
DIAMETER: 0.344 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.032 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.937 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OR ZINC AND CHROMATE BAND
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSINGLE LOOP
MATERIAL DOCUMENT AND CLASSIFICATIONAISI C1005 THRU C1020 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1006 THRU 1020 ASSN STD SINGLE MATERIAL RESPONSE BAND
DIAMETER0.344 INCHES NOMINAL IN
OVERALL WIDTH0.562 INCHES NOMINAL IN
MATERIAL THICKNESS0.032 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.937 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OR ZINC AND CHROMATE BAND
END ITEM IDENTIFICATIONARMORED MULTI-PURPOSE VEHICLE (AMPV)
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.656 INCHES NOMINAL IN
MATERIALSTEEL BAND
SUBSTITUTES & CROSS-REFERENCES 5
5340000673868Reference document
Same NSN cross-reference
Reference document — Informative reference only
MS21333-109Reference document
Same NSN cross-reference
Reference document — Secondary reference
NASM21333Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
5342PL0769334Reference document
Same NSN cross-reference
Reference document — Informative reference only
13207E5500FN90Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 573031?
573031 is a PISTON ASSEMBLY,VALVE manufactured by Legrand.
What parts can replace 573031?
There are 5 known substitutes for 573031: 5340000673868, MS21333-109, NASM21333 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 573031?
573031 is cataloged in the U.S. Government catalog under NSN 5340-00-067-3868. This indicates validated use in U.S. government and defense supply chains.
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