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PartsTable / COMPONENT / 0N516556
0N516556 ✓ 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 FASTENER,PAWL is a the manufacturer industrial component. Key specifications include diameter: 0.750 INCHES NOMINAL IN, material: COPPER ALLOY OVERALL, pawl_type: STRAIGHT, surface_treatment: ZINC OVERALL, operational_direction: RIGHT-HAND, pawl_actuation_method: KEY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-256-3207, 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
0N516556
NSN: 5340-01-256-3207
FSC: 5340
CAGE: 98230 — NATIONAL SECURITY AGENCY (USA)
SPECIFICATIONS
diameter0.750 INCHES NOMINAL IN
materialCOPPER ALLOY OVERALL
pawl_typeSTRAIGHT
surface_treatmentZINC OVERALL
operational_directionRIGHT-HAND
pawl_actuation_methodKEY
mounting_plate_to_pawl_distance0.500 INCHES NOMINAL IN
pawl_length_from_actuating_shaft_center_to_pawl_end1.156 INCHES NOMINAL IN
NSN5340-01-256-3207
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 0N516556 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
•
SURFACE TREATMENT: ZINC OVERALL
•
OPERATIONAL DIRECTION: RIGHT-HAND
•
MATERIAL: COPPER ALLOY OVERALL
•
PAWL ACTUATION METHOD: KEY
•
DIAMETER: 0.750 INCHES NOMINAL IN
•
PAWL LENGTH FROM ACTUATING SHAFT CENTER TO PAWL END: 1.156 INCHES NOMINAL IN
•
MOUNTING PLATE TO PAWL DISTANCE: 0.500 INCHES NOMINAL IN
•
PAWL TYPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTZINC OVERALL
OPERATIONAL DIRECTIONRIGHT-HAND
MATERIALCOPPER ALLOY OVERALL
PAWL ACTUATION METHODKEY
DIAMETER0.750 INCHES NOMINAL IN
PAWL LENGTH FROM ACTUATING SHAFT CENTER TO PAWL END1.156 INCHES NOMINAL IN
MOUNTING PLATE TO PAWL DISTANCE0.500 INCHES NOMINAL IN
PAWL TYPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
34-37Upgraded Successor
successor cross-reference
successor
3277Interchangeable
interchangeable cross-reference
interchangeable
ASTM D4956Interchangeable
interchangeable cross-reference
interchangeable
33154Interchangeable
interchangeable cross-reference
interchangeable
9060Interchangeable
interchangeable cross-reference
interchangeable
50012Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0N516556?
0N516556 is a FASTENER,PAWL.
What parts can replace 0N516556?
There are 18 known substitutes for 0N516556: 34-37, 3277, ASTM D4956 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0N516556?
0N516556 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-256-3207. 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