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Technical Data Sheet
PartsTable / COMPONENT / 0055-1
0055-1 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The PARTS KIT,ACTUATOR, is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8640H OVERALL, thickness: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, hole_diameter: 0.646 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES TOP, hardness_rating: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM, overall_diameter: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM 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 5310-00-205-9908, 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
0055-1
NSN: 5310-00-205-9908
FSC: 5310
CAGE: 14153 — DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA (USA)
SPECIFICATIONS
materialSTEEL COMP 8640H OVERALL
thickness0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
hole_diameter0.646 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES TOP
hardness_rating28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
overall_diameter1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-205-9908
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0055-1 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THICKNESS: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
SURFACE FINISH: 63.0 MICROINCHES OUTER
•
MATERIAL: STEEL COMP 8640H OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.646 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH63.0 MICROINCHES OUTER
SURFACE FINISH32.0 MICROINCHES BOTTOM
MATERIALSTEEL COMP 8640H OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.646 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN
OVERALL DIAMETER1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
SURFACE FINISH32.0 MICROINCHES TOP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
0055-1Interchangeable
interchangeable cross-reference
interchangeable
0055Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0055-1?
0055-1 is a PARTS KIT,ACTUATOR,.
What parts can replace 0055-1?
There are 2 known substitutes for 0055-1: 0055-1, 0055. Substitute compatibility should be verified for your specific system.
What is the NSN for 0055-1?
0055-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-205-9908. 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