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Technical Data Sheet
PartsTable / O-RING / 73620
73620 ✓ 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 HOUSING,ASSEMBLY is a the manufacturer industrial component. Key specifications include end_item_identification: PART OF NEUTRAL BLEED AIR MANIFOLD ON TOP OF ENGINE FOR B-1B ACFT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-641-8283, 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
73620
NSN: 5331-00-641-8283
FSC: 5331 — O-RING
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
end_item_identificationPART OF NEUTRAL BLEED AIR MANIFOLD ON TOP OF ENGINE FOR B-1B ACFT
NSN5331-00-641-8283
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 73620 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
•
CENTER HOLE DIAMETER: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
5910HNFTHDInterchangeable
interchangeable cross-reference
interchangeable
11507Interchangeable
interchangeable cross-reference
interchangeable
303191Interchangeable
interchangeable cross-reference
interchangeable
PRP902-6Interchangeable
interchangeable cross-reference
interchangeable
4369595Interchangeable
interchangeable cross-reference
interchangeable
50325Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 73620?
73620 is a HOUSING,ASSEMBLY.
What parts can replace 73620?
There are 15 known substitutes for 73620: 5910HNFTHD, 11507, 303191 and 12 more. Substitute compatibility should be verified for your specific system.
Is 73620 still available?
73620 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