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728817 — STOP,SPRING SEAT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

728817: STOP,SPRING SEAT.

The STOP,SPRING SEAT is a the manufacturer industrial component. Key specifications include terminal_type: CONNECTOR, RECEPTACLE, overall_length: 3.459 INCHES MINIMUM AND 3.460 INCHES MAXIMUM IN, overall_diameter: 2.900 INCHES MINIMUM AND 3.042 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 6620-00-357-1157, 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
728817
NSN: 6620-00-357-1157
NIINs: 003571157, 011607949
FSC: 6620 — Engine Instruments
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
terminal_typeCONNECTOR, RECEPTACLE
overall_length3.459 INCHES MINIMUM AND 3.460 INCHES MAXIMUM IN
overall_diameter2.900 INCHES MINIMUM AND 3.042 INCHES MAXIMUM IN
terminal_quantity2
NSN6620-00-357-1157
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available STOP,SPRING SEAT TITLE COMPONENT PN 728817 MFR STOP,SPRING SEAT
KEY FEATURES
•
TERMINAL QUANTITY: 2
•
TERMINAL TYPE: CONNECTOR, RECEPTACLE
•
OVERALL DIAMETER: 2.900 INCHES MINIMUM AND 3.042 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
TERMINAL QUANTITY2
TERMINAL TYPECONNECTOR, RECEPTACLE
OVERALL DIAMETER2.900 INCHES MINIMUM AND 3.042 INCHES MAXIMUM IN
OVERALL LENGTH3.459 INCHES MINIMUM AND 3.460 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
48678Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 728817?
728817 is a STOP,SPRING SEAT.
What parts can replace 728817?
There is 1 known substitute for 728817: 48678. Substitute compatibility should be verified for your specific system.
What is the NSN for 728817?
728817 is cataloged in the U.S. Government catalog under NSN 6620-00-357-1157. 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.