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726921-1 — REACTOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

726921-1: REACTOR.

The REACTOR is a the manufacturer industrial component. Key specifications include material: STEEL UNS K08500 OVERALL, end_style: SPRING END,PLAIN BOTH ENDS, fork_depth: 0.370 INCHES NOMINAL IN, body_length: 1.200 INCHES MAXIMUM IN, thread_class: 3A ROD CONNECTION A, bore_diameter: 0.200 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-576-0275, 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
726921-1
NSN: 5340-00-576-0275
NIINs: 005760275, 006085184, 013242377
FSC: 5340 — Hardware, Commercial
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL UNS K08500 OVERALL
end_styleSPRING END,PLAIN BOTH ENDS
fork_depth0.370 INCHES NOMINAL IN
body_length1.200 INCHES MAXIMUM IN
thread_class3A ROD CONNECTION A
bore_diameter0.200 INCHES NOMINAL IN
coil_quantity23
hole_diameter0.960 INCHES NOMINAL IN
overall_width0.320 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
thread_length1.050 INCHES NOMINAL ROD CONNECTION IN
inclosure_typeFULLY INCLOSED
NSN5340-00-576-0275
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 726921-1 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
•
SHANK DIAMETER: 0.187 INCHES NOMINAL IN
•
FORK SPAN WIDTH: 0.156 INCHES NOMINAL IN
•
FORK ARM THICKNESS: 0.082 INCHES NOMINAL IN
•
DISTANCE FROM PIVOT PINHOLE CENTER TO FORK END: 0.250 INCHES NOMINAL IN
•
THREAD LENGTH: 1.050 INCHES NOMINAL ROD CONNECTION IN
•
STYLE DESIGNATOR: CLEVIS
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.187 INCHES NOMINAL IN
FORK SPAN WIDTH0.156 INCHES NOMINAL IN
FORK ARM THICKNESS0.082 INCHES NOMINAL IN
DISTANCE FROM PIVOT PINHOLE CENTER TO FORK END0.250 INCHES NOMINAL IN
THREAD LENGTH1.050 INCHES NOMINAL ROD CONNECTION IN
STYLE DESIGNATORCLEVIS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH0.320 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND ROD CONNECTION
NOMINAL THREAD SIZE0.190 INCHES ROD CONNECTION IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 726921-1?
726921-1 is a REACTOR.
What is the NSN for 726921-1?
726921-1 is cataloged in the U.S. Government catalog under NSN 5340-00-576-0275. 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.