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9877-137-1 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9877-137-1: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include outside_diameter: 4.495 INCHES MINIMUM AND 4.498 INCHES MAXIMUM IN, aperture_diameter: 4.016 INCHES MINIMUM AND 4.021 INCHES MAXIMUM IN, cross-sectional_thickness: 0.625 INCHES NOMINAL IN, cross-sectional_shape_style: RECTANGULAR METAL, criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-237-5382, 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
9877-137-1
NSN: 5330-00-237-5382
FSC: 5330 — Packing and Gasket Materials
CAGE: 95995 — WALWORTH CO THE (USA)
SPECIFICATIONS
outside_diameter4.495 INCHES MINIMUM AND 4.498 INCHES MAXIMUM IN
aperture_diameter4.016 INCHES MINIMUM AND 4.021 INCHES MAXIMUM IN
cross-sectional_thickness0.625 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR METAL
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
NSN5330-00-237-5382
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9877-137-1 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
•
CROSS-SECTIONAL THICKNESS: 0.625 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
•
OUTSIDE DIAMETER: 4.495 INCHES MINIMUM AND 4.498 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 4.016 INCHES MINIMUM AND 4.021 INCHES MAXIMUM IN
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.625 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONZZZY
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
OUTSIDE DIAMETER4.495 INCHES MINIMUM AND 4.498 INCHES MAXIMUM IN
APERTURE DIAMETER4.016 INCHES MINIMUM AND 4.021 INCHES MAXIMUM IN
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
SUBSTITUTES & CROSS-REFERENCES 4
60540Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
605401Reference document
Same NSN cross-reference
Reference document — Secondary reference
C-9877-137Reference document
Same NSN cross-reference
Reference document — Secondary reference
N-11086-1 PC 8Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9877-137-1?
9877-137-1 is a GASKET.
What parts can replace 9877-137-1?
There are 4 known substitutes for 9877-137-1: 60540, 605401, C-9877-137 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9877-137-1?
9877-137-1 is cataloged in the U.S. Government catalog under NSN 5330-00-237-5382. This indicates validated use in U.S. government and defense supply chains.
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