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Technical Data Sheet

9987-961PC189 — Technical Data Sheet

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

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: STEEL, overall_height: 0.938 INCHES NOMINAL IN, style_designator: IRREGULAR, body_inside_diameter: 0.875 INCHES NOMINAL IN, body_outside_diameter: 0.974 INCHES NOMINAL IN, casehardening_indicator: NOT CASEHARDENED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-076-2872, 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
9987-961PC189
NSN: 5340-01-076-2872
FSC: 5340
CAGE: 31361 — WOODWARD, INC. (USA)
SPECIFICATIONS
materialSTEEL
overall_height0.938 INCHES NOMINAL IN
style_designatorIRREGULAR
body_inside_diameter0.875 INCHES NOMINAL IN
body_outside_diameter0.974 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
NSN5340-01-076-2872
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9987-961PC189 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
BODY OUTSIDE DIAMETER: 0.974 INCHES NOMINAL IN
STYLE DESIGNATOR: IRREGULAR
MATERIAL: STEEL
CASEHARDENING INDICATOR: NOT CASEHARDENED
BODY INSIDE DIAMETER: 0.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER0.974 INCHES NOMINAL IN
OVERALL HEIGHT0.938 INCHES NOMINAL IN
STYLE DESIGNATORIRREGULAR
MATERIALSTEEL
CASEHARDENING INDICATORNOT CASEHARDENED
BODY INSIDE DIAMETER0.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
36-1-301Interchangeable
interchangeable cross-reference
interchangeable
36-1-300Interchangeable
interchangeable cross-reference
interchangeable
1365-K511Interchangeable
interchangeable cross-reference
interchangeable
015002Interchangeable
interchangeable cross-reference
interchangeable
ZEP 50Interchangeable
interchangeable cross-reference
interchangeable
3611301Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9987-961PC189?
9987-961PC189 is a RETAINER,HELICAL COMPRESSION SPR.
What parts can replace 9987-961PC189?
There are 6 known substitutes for 9987-961PC189: 36-1-301, 36-1-300, 1365-K511 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9987-961PC189?
9987-961PC189 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-076-2872. This indicates validated use in U.S. government and defense supply chains.
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