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Technical Data Sheet

S1J10021 ITEM 31 — Technical Data Sheet

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— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, departure_from_cited_document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D, criticality_code_justification: ZZZW. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5331-01-262-4144, 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
S1J10021 ITEM 31
NSN: 5331-01-262-4144
FSC: 5331 — O-RING
CAGE: 99517 — VACCO INDUSTRIES (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
NSN5331-01-262-4144
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S1J10021 ITEM 31 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
•
DEPARTURE FROM CITED DOCUMENT: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
CRITICALITY CODE JUSTIFICATION: ZZZW
TECHNICAL CHARACTERISTICS
DEPARTURE FROM CITED DOCUMENTCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
MATERIALRUBBER FLUOROCARBON CLASS FPM
CRITICALITY CODE JUSTIFICATIONZZZW
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
3AX100InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7-5081 ITEM 54InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
002017InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-R-83248/1-008InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AS568-008AS7276InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ARP568-008MILR25897TY1CL1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S1J10021 ITEM 31?
S1J10021 ITEM 31 is a O-RING.
What parts can replace S1J10021 ITEM 31?
There are 15 known substitutes for S1J10021 ITEM 31: 3AX100, 7-5081 ITEM 54, 002017 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S1J10021 ITEM 31?
S1J10021 ITEM 31 is cataloged in the Federal Logistics Information System under NSN 5331-01-262-4144. This indicates validated use in U.S. government and defense supply chains.
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