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5-3-537 — BELT,ROUND

✓ Government record, cited
Techair · ORING SEAL
PRODUCT OVERVIEW

5-3-537: BELT,ROUND.

A classic clam case with an easily accessible front compartment for all those important accessories. This modern case combines all the space you need for your 15.4 laptop, accessories, files and folders to make it easy to carry your office around with you. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-606-8635, 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
5-3-537
NSN: 5330-00-606-8635
NIINs: 006068635, 007629909, 012398970
FSC: 5330 — Packing and Gasket Materials
CAGE: 71643 — SAINT-GOBAIN PERFORMANCE PLASTICS INC. DBA SAINT GOBAIN PERFORMANCE PLASTICS INC. (USA)
SPECIFICATIONS
materialPLASTIC POLYURETHANE BODY
nominal_diameter0.210 INCHES IN
performance_typeEXTRA LIGHT DUTY
surface_conditionSMOOTH OVERALL
nominal_inside_circumference10.917 INCHES IN
NSN5330-00-606-8635
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5-3-537 MFR: Techair ⚠ 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONUSED ON SABRELINER 80 AIRCRAFT
SUBSTITUTES & CROSS-REFERENCES 1
265-932106-7Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5-3-537?
5-3-537 is a BELT,ROUND manufactured by Techair.
What parts can replace 5-3-537?
There is 1 known substitute for 5-3-537: 265-932106-7. Substitute compatibility should be verified for your specific system.
What is the NSN for 5-3-537?
5-3-537 is cataloged in the U.S. Government catalog under NSN 5330-00-606-8635. This indicates validated use in U.S. government and defense supply chains.
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