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Technical Data Sheet
PartsTable / COMPONENT / 90055-1
90055-1 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The WHEEL ASSEMBLY,SURFACE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, bore_diameter: 0.510 INCHES NOMINAL IN, inside_diameter: 0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN, style_designator: CYLINDRICAL, spring_free_length: 0.420 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-132-3975, 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
90055-1
NSN: 5305-00-132-3975
FSC: 5305
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
bore_diameter0.510 INCHES NOMINAL IN
coil_quantity4
inside_diameter0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
style_designatorCYLINDRICAL
spring_free_length0.420 INCHES NOMINAL IN
spring_solid_length0.220 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_free_outside_diameter0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN
material_document_and_classificationQQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5305-00-132-3975
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 90055-1 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FASTENER LENGTH: 0.810 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 32
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
FIRST DIAMETER FROM HEAD: 0.114 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
•
HEAD STYLE: PAN NO. 2
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 0.315 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH0.810 INCHES NOMINAL IN
HEAD HEIGHT0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH32
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
FIRST DIAMETER FROM HEAD0.114 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
HEAD STYLEPAN NO. 2
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.315 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
90055-1Interchangeable
interchangeable cross-reference
interchangeable
10345Interchangeable
interchangeable cross-reference
interchangeable
25519Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 90055-1?
90055-1 is a WHEEL ASSEMBLY,SURFACE.
What parts can replace 90055-1?
There are 3 known substitutes for 90055-1: 90055-1, 10345, 25519. Substitute compatibility should be verified for your specific system.
What is the NSN for 90055-1?
90055-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-132-3975. 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