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Technical Data Sheet
PartsTable / COMPONENT / C7988-1420
C7988-1420 ✓ 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 RETAINER,NUT AND BOLT is a the manufacturer industrial component. Key specifications include material: STEEL, overall_width: 0.531 INCHES NOMINAL IN, overall_height: 0.370 INCHES NOMINAL IN, overall_length: 0.531 INCHES NOMINAL IN, special_features: FURNISHED W/1/4-20 PLAIN SQUARE NUT, style_designator: CLIP. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-586-7652, 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
C7988-1420
NSN: 5340-00-586-7652
FSC: 5340
CAGE: 78553 — TINNERMAN PALNUT ENGINEERED PRODUCTS, INC. (USA)
SPECIFICATIONS
materialSTEEL
overall_width0.531 INCHES NOMINAL IN
overall_height0.370 INCHES NOMINAL IN
overall_length0.531 INCHES NOMINAL IN
special_featuresFURNISHED W/1/4-20 PLAIN SQUARE NUT
style_designatorCLIP
surface_treatmentCADMIUM
material_thickness0.100 INCHES NOMINAL IN
NSN5340-00-586-7652
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C7988-1420 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
•
SURFACE TREATMENT: CADMIUM
•
STYLE DESIGNATOR: CLIP
•
MATERIAL: STEEL
•
MATERIAL THICKNESS: 0.200 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM
STYLE DESIGNATORCLIP
MATERIALSTEEL
OVERALL LENGTH0.531 INCHES NOMINAL IN
MATERIAL THICKNESS0.200 INCHES NOMINAL IN
OVERALL HEIGHT0.370 INCHES NOMINAL IN
SPECIAL FEATURESFURNISHED W/1/4-20 PLAIN SQUARE NUT
OVERALL WIDTH0.520 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
1559AS259-1Upgraded Successor
successor cross-reference
successor
C7988-1420Upgraded Successor
successor cross-reference
successor
70144-2Interchangeable
interchangeable cross-reference
interchangeable
112421Interchangeable
interchangeable cross-reference
interchangeable
C7988-1420-27Interchangeable
Same NIIN cross-reference
interchangeable
896-0030Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C7988-1420?
C7988-1420 is a RETAINER,NUT AND BOLT.
What parts can replace C7988-1420?
There are 7 known substitutes for C7988-1420: 1559AS259-1, C7988-1420, 70144-2 and 4 more. Substitute compatibility should be verified for your specific system.
Is C7988-1420 still available?
C7988-1420 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026