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PartsTable / COMPONENT / B313273
B313273 ✓ 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 CLAMP,SYNCHRO is a the manufacturer industrial component. Key specifications include length: 0.765 INCHES NOMINAL IN, material: STEEL COMP 304, hole_diameter: 0.123 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN, furnished_items: LOCKNUT, surface_treatment: PASSIVATE, end_item_identification: W/S:AVENGER CLASS MCM; AIRCRAFT, TOMCAT F-14; OSPREY CLASS MHC; AN/SQQ-30 MINE CLASSIFYING SET. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-487-5354, 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
B313273
NSN: 5340-00-487-5354
FSC: 5340
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
length0.765 INCHES NOMINAL IN
materialSTEEL COMP 304
hole_diameter0.123 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
furnished_itemsLOCKNUT
surface_treatmentPASSIVATE
end_item_identificationW/S:AVENGER CLASS MCM; AIRCRAFT, TOMCAT F-14; OSPREY CLASS MHC; AN/SQQ-30 MINE CLASSIFYING SET
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
NSN5340-00-487-5354
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B313273 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
•
LENGTH: 0.765 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE
•
FURNISHED ITEMS: LOCKNUT
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
•
HOLE DIAMETER: 0.123 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL: STEEL COMP 304
TECHNICAL CHARACTERISTICS (FLIS)
LENGTH0.765 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE
FURNISHED ITEMSLOCKNUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
HOLE DIAMETER0.123 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL COMP 304
END ITEM IDENTIFICATIONW/S:AVENGER CLASS MCM; AIRCRAFT, TOMCAT F-14; OSPREY CLASS MHC; AN/SQQ-30 MINE CLASSIFYING SET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
51115Upgraded Successor
successor cross-reference
successor
5525AUpgraded Successor
successor cross-reference
successor
507922-2Interchangeable
interchangeable cross-reference
interchangeable
2562-44771Interchangeable
interchangeable cross-reference
interchangeable
12-206-6Interchangeable
interchangeable cross-reference
interchangeable
6250002280418Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B313273?
B313273 is a CLAMP,SYNCHRO.
What parts can replace B313273?
There are 16 known substitutes for B313273: 51115, 5525A, 507922-2 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B313273?
B313273 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-487-5354. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026