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Technical Data Sheet
PartsTable / COMPONENT / 55984
55984 ✓ 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 FELT,MECHANICAL,PREFORMED is a the manufacturer industrial component. Key specifications include material: WOOL COMP 16R1X OVERALL, overall_width: 0.120 INCHES NOMINAL IN, overall_length: 0.840 INCHES NOMINAL IN, style_designator: RECTANGULAR, cross-sectional_width: 0.120 INCHES NOMINAL IN, cross-sectional_height: 0.060 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-013-1044, 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
55984
NSN: 5310-00-013-1044
FSC: 5310
CAGE: 96046 — CRANE PUMPS & SYSTEMS PFT CORP DIV CRANE PUMPS & SYSTEM PFT CORP. (USA)
SPECIFICATIONS
materialWOOL COMP 16R1X OVERALL
overall_width0.120 INCHES NOMINAL IN
overall_length0.840 INCHES NOMINAL IN
style_designatorRECTANGULAR
cross-sectional_width0.120 INCHES NOMINAL IN
cross-sectional_height0.060 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationC-F-206 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-013-1044
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 55984 · 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
•
NONDEFINITIVE SPEC/STD DATA: A CLASS AND 2 STYLE
•
MATERIAL: STEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 0.253 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.031 INCHES NOMINAL IN
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
HOLE DIAMETER: 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATAA CLASS AND 2 STYLE
MATERIALSTEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.253 INCHES MAXIMUM IN
MATERIAL THICKNESS0.031 INCHES NOMINAL IN
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
HOLE DIAMETER0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
L-6493-1Interchangeable
interchangeable cross-reference
interchangeable
MS35338-41Interchangeable
interchangeable cross-reference
interchangeable
AN935C6Interchangeable
interchangeable cross-reference
interchangeable
5365PL0578555Interchangeable
interchangeable cross-reference
interchangeable
83004Interchangeable
interchangeable cross-reference
interchangeable
400004-16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55984?
55984 is a FELT,MECHANICAL,PREFORMED.
What parts can replace 55984?
There are 25 known substitutes for 55984: L-6493-1, MS35338-41, AN935C6 and 22 more. Substitute compatibility should be verified for your specific system.
Is 55984 still available?
55984 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026