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7998651 — SUPPORT,RETRACTABLE,SEMITRAILER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

7998651: SUPPORT,RETRACTABLE,SEMITRAILER.

SUPPORT,RETRACTABLE,SEMITRAILER. Key specifications include brace_type: BACK OR CROSS, tire_width: 4.000 INCHES NOMINAL IN, wheel_type: METAL TIRE, extended_height: 55.375 INCHES NOMINAL IN, leg_construction: TUBULAR, outside_diameter: 10.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2590-00-770-3430, 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
7998651
NSN: 2590-00-770-3430
FSC: 2590 — Miscellaneous Vehicular Components
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
brace_typeBACK OR CROSS
tire_width4.000 INCHES NOMINAL IN
wheel_typeMETAL TIRE
wheel_quantity2
extended_height55.375 INCHES NOMINAL IN
leg_constructionTUBULAR
outside_diameter10.000 INCHES NOMINAL IN
retracting_methodSCREW-NUT
retracting_mechanismINCLUDED
operational_directionVERTICAL
maximum_underclearance18.000 INCHES IN
operating_control_typeMANUAL
NSN2590-00-770-3430
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SUPPORT,RETRACTABLE,SEMITRAILER TITLE COMPONENT PN 7998651 MFR SUPPORT,RETRACTABLE,SE
KEY FEATURES
•
SHOE: NOT INCLUDED
•
OPERATIONAL DIRECTION: VERTICAL
•
RETRACTING METHOD: SCREW-NUT
•
WHEEL TYPE: METAL TIRE
•
TIRE WIDTH: 4.000 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 10.000 INCHES NOMINAL IN
•
WHEEL QUANTITY: 2
•
BRACE TYPE: BACK OR CROSS
TECHNICAL CHARACTERISTICS
SHOENOT INCLUDED
OPERATIONAL DIRECTIONVERTICAL
RETRACTING METHODSCREW-NUT
WHEEL TYPEMETAL TIRE
TIRE WIDTH4.000 INCHES NOMINAL IN
OUTSIDE DIAMETER10.000 INCHES NOMINAL IN
WHEEL QUANTITY2
BRACE TYPEBACK OR CROSS
OPERATING SPEED QUANTITY2
MAXIMUM UNDERCLEARANCE18.000 INCHES IN
OTHER ITEMS IN FSC 2590 — Miscellaneous Vehicular Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2590-00-006-7503 2590-00-007-2356 2590-01-151-9629 2590-01-445-9216 2590-01-468-7350 2590-01-600-0314 2590-01-600-0319 2590-01-608-6611
SUBSTITUTES & CROSS-REFERENCES 1
R826-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 7998651?
7998651 is a SUPPORT,RETRACTABLE,SEMITRAILER.
What parts can replace 7998651?
There is 1 known substitute for 7998651: R826-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 7998651?
7998651 is cataloged in the U.S. Government catalog under NSN 2590-00-770-3430. 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.