PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 62.90.055
62.90.055 ✓ 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 62.90.055 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-897-6080, 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
62.90.055
NSN: 5310-00-897-6080
FSC: 5310
CAGE: 0124B — SAPA OPERACIONES SL (ESP)
SPECIFICATIONS
Part Number62.90.055
NSN5310-00-897-6080
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 62.90.055 · 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
•
THREAD DIRECTION: RIGHT-HAND
•
NUT HEIGHT: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
THREAD QUANTITY PER INCH: 14
•
NOMINAL THREAD SIZE: 0.438 INCHES IN
•
THREAD CLASS: 2B
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD QUANTITY PER INCH14
NOMINAL THREAD SIZE0.438 INCHES IN
THREAD CLASS2B
NUT STYLEHEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 ASSN STD ALL MATERIAL RESPONSES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
OLB-118-1Interchangeable
interchangeable cross-reference
interchangeable
711628-1Interchangeable
interchangeable cross-reference
interchangeable
751057Interchangeable
interchangeable cross-reference
interchangeable
5310008976080Interchangeable
Same NIIN cross-reference
interchangeable
MS35691-27Interchangeable
Same NIIN cross-reference
interchangeable
FF-N-836Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 62.90.055?
62.90.055 is a 62.90.055.
What parts can replace 62.90.055?
There are 6 known substitutes for 62.90.055: OLB-118-1, 711628-1, 751057 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 62.90.055?
62.90.055 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-897-6080. 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