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1988138 — SEAL,NONMETALLIC STRIP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1988138: SEAL,NONMETALLIC STRIP.

The SEAL,NONMETALLIC STRIP is a the manufacturer industrial component. Key specifications include shape: ROUND, material: WOOL, overall_length: 2.480 INCHES NOMINAL IN, overall_diameter: 0.470 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-073-0598, 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
1988138
NSN: 5330-00-073-0598
NIINs: 000730598, 012670638
FSC: 5330 — Packing and Gasket Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
shapeROUND
materialWOOL
overall_length2.480 INCHES NOMINAL IN
overall_diameter0.470 INCHES NOMINAL IN
NSN5330-00-073-0598
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1988138 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
•
ATTACHMENT HOLE DIAMETER: 0.372 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
ATTACHMENT FEATURE QUANTITY: 1
•
CROSS-SECTIONAL HEIGHT: 0.750 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: STRIP
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-6855 CL 2,GR 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS
ATTACHMENT HOLE DIAMETER0.372 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
ATTACHMENT FEATURE QUANTITY1
CROSS-SECTIONAL HEIGHT0.750 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
STYLE DESIGNATORSTRIP
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6855 CL 2,GR 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH20.438 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
END CUT ANGLE45.0 DEGREES
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
770983Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1988138?
1988138 is a SEAL,NONMETALLIC STRIP.
What parts can replace 1988138?
There is 1 known substitute for 1988138: 770983. Substitute compatibility should be verified for your specific system.
What is the NSN for 1988138?
1988138 is cataloged in the U.S. Government catalog under NSN 5330-00-073-0598. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.