The PISTON ASSEMBLY is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4310-00-339-0699, 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
PST551A
NSN:4310-00-339-0699 FSC:4310 — Compressors and Vacuum Pumps CAGE:93236 — DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE (USA)
SPECIFICATIONS
Part Number
PST551A
NSN
4310-00-339-0699
COMPONENT DIAGRAM
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM ALLOY; 6.375 IN. OD BODY; 2.406 IN. O/A LG; 0.375 IN. DIA CENTER HOLE; CENTER HOLE RECESSED ON ONE SIDE; 1.000 IN. DIA BY 0.812 IN. DEEP; 4 RING GROOVES,3 GROOVES 0.250 IN. W BY 5.500 IN. DIA,1 GROOVE 0.375 IN. W BY 5.500 IN. DIA IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION
ALUMINUM ALLOY; 6.375 IN. OD BODY; 2.406 IN. O/A LG; 0.375 IN. DIA CENTER HOLE; CENTER HOLE RECESSED ON ONE SIDE; 1.000 IN. DIA BY 0.812 IN. DEEP; 4 RING GROOVES,3 GROOVES 0.250 IN. W BY 5.500 IN. DIA,1 GROOVE 0.375 IN. W BY 5.500 IN. DIA IN
OTHER ITEMS IN FSC 4310 — Compressors and Vacuum Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is PST551A?
PST551A is a PISTON ASSEMBLY.
What parts can replace PST551A?
There is 1 known substitute for PST551A: PST552A. Substitute compatibility should be verified for your specific system.
What is the NSN for PST551A?
PST551A is cataloged in the U.S. Government catalog under NSN 4310-00-339-0699. This indicates validated use in U.S. government and defense supply chains.
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