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Technical Data Sheet
PartsTable / COMPONENT / 838987
838987 ✓ 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

The CLIP,RETAINING is a the manufacturer industrial component. Key specifications include width: 0.720 INCHES NOMINAL IN, material: STEEL, overall_height: 1.050 INCHES NOMINAL IN, stock_diameter: 0.093 INCHES NOMINAL IN, style_designator: PIN, 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 5340-00-737-7028, 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
838987
NSN: 5340-00-737-7028
FSC: 5340
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
width0.720 INCHES NOMINAL IN
materialSTEEL
overall_height1.050 INCHES NOMINAL IN
stock_diameter0.093 INCHES NOMINAL IN
style_designatorPIN
casehardening_indicatorNOT CASEHARDENED
material_document_and_classificationQQ-W-428 TYPE 1 OR 2 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-737-7028
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 838987 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
•
WIDTH: 0.720 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-428 TYPE 1 OR 2 FED SPEC SINGLE MATERIAL RESPONSE
•
STYLE DESIGNATOR: PIN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
STOCK DIAMETER: 0.093 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH0.720 INCHES NOMINAL IN
MATERIALSTEEL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-428 TYPE 1 OR 2 FED SPEC SINGLE MATERIAL RESPONSE
STYLE DESIGNATORPIN
OVERALL HEIGHT1.050 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
STOCK DIAMETER0.093 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
MS28775-028Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 838987?
838987 is a CLIP,RETAINING.
What parts can replace 838987?
There is 1 known substitute for 838987: MS28775-028. Substitute compatibility should be verified for your specific system.
What is the NSN for 838987?
838987 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-737-7028. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026