Quote in 15 min·24/7 × 365AS9120:2025 · ISO 9001:2015 · FAA AC 00-56B
NSN 2815-00-555-6270CAGE 76602

S1-257842R91 by Navistar Intl Corp with NSN 2815005556270 - Submit a Quote

Ring Set Piston

Ring Set Piston ASAP can help source this line with documentation review, alternate part checks, condition requirements, and account manager follow-up for urgent or planned procurement.

ASAP Aviation Procurement is pleased to announce that part number S1-257842R91 of NSN 2815005556270 is now available and in stock. We can get you one of the fastest and most competitive quotes on this part. Part number S1-257842R91 is a Ring Set Piston manufactured by Navistar Intl Corp under CAGE Code . Simply fill out the Request for Quote (RFQ) form provided here to get started on your quote. In order to make sure that we get you your quote in a timely manner, please take the time to make sure that all fields are completely filled out, particularly the asterisk-marked (*) fields like Parts Needed By and Quantity (ea). 

Muskegon Piston Ring Co
Manufacturer
USA
Origin
N/A
Spec
N/A
Unit weight
Detailed description

Technical sourcing notes

N/A
Lead time
N/A
Cross references
Unrestricted
Export control
2815 Diesel Engines and Components
FSC
Why ASAP

Operations-grade aviation sourcing.

AS9120B
Quality-managed distribution
15 min
Average RFQ response, 24/7
Full trace
Documentation & certs on request
Submit RFQ

Request a quote for S1-257842R91

Send this part to ASAP with quantity, need-by timing, and buyer contact details. An account manager will review availability, alternates, certificates, and delivery options.

Part-specific RFQ

Submit RFQ for S1-257842R91

Send this part to ASAP with quantity, need-by timing, and buyer contact details. A dedicated account manager reviews availability, alternates, certificates, and delivery options.

Ring Set PistonS1-257842R91
NSN2815-00-555-6270
Manufacturer
Muskegon Piston Ring Co
CAGE
76602
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NSN Information for Part Number S1-257842R91 with NSN 2815-00-555-6270, 2815005556270

NSNFSCNIINCLSHazmatDEMILCancelled NSN
2815005556270

Item Description:

Ring Set Piston

28150055562700N
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
S1-257842r91295

Characteristics Data of NSN 2815-00-555-6270, 2815005556270

MRCCriteriaCharacteristic
ACXZIII STANDARD BORE DIAMETER5.750 INCHES
AETDPISTON ACCOMMODATION QUANTITY1
AETERING SET COMPONENT PARTSCOMPRESSION RING,263891R1,31007,1,COMPRESSION RING,250995R2,31007,2,OIL RING,262252R1,31007,1,OIL RING,250646R2,31007,1