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537209 — CONVERTER,SIGNAL DATA

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

537209: CONVERTER,SIGNAL DATA.

The CONVERTER,SIGNAL DATA is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8620 OVERALL, bore_style: PLAIN BOTH ENDS, design_type: SPUR SECOND GEAR, construction: SOLID, hardness_rating: 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL, attachment_method: MOUNTING HOLE. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-585-5087, 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
537209
NSN: 5331-00-585-5087
NIINs: 005855087, 005927910, 012661148
FSC: 5331 — O-ring
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 8620 OVERALL
bore_stylePLAIN BOTH ENDS
design_typeSPUR SECOND GEAR
constructionSOLID
hardness_rating58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
attachment_methodMOUNTING HOLE
nominal_thread_size0.250 INCHES BOTH ENDS IN
backlash_designationGRADE D FIRST GEAR
center_hole_diameter7.540 INCHES NOMINAL IN
bore_nominal_diameter1.250 INCHES BOTH ENDS IN
cross-sectional_height0.103 INCHES NOMINAL IN
nominal_overall_length0.940 INCHES IN
NSN5331-00-585-5087
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 537209 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 HEIGHT: 0.103 INCHES NOMINAL IN
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 7.540 INCHES NOMINAL IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.103 INCHES NOMINAL IN
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER7.540 INCHES NOMINAL IN
END ITEM IDENTIFICATIONC-130 ACFT;NHA 1610-01-016-2196
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES 1
5331PL0825962Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 537209?
537209 is a CONVERTER,SIGNAL DATA.
What parts can replace 537209?
There is 1 known substitute for 537209: 5331PL0825962. Substitute compatibility should be verified for your specific system.
What is the NSN for 537209?
537209 is cataloged in the U.S. Government catalog under NSN 5331-00-585-5087. 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.