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Technical Data Sheet
PartsTable / COMPONENT / 120-11000PC37 &
120-11000PC37 & ✓ 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 120-11000PC37 & 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 5310-00-865-9889, 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
120-11000PC37 &
NSN: 5310-00-865-9889
FSC: 5310
CAGE: 52374 — FLOWSERVE CORP DBA AUTOMAX ACTUATORS DIV FLOWSERVE US COMPANY (USA)
SPECIFICATIONS
Part Number120-11000PC37 &
NSN5310-00-865-9889
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 120-11000PC37 & · 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
•
MATERIAL: STEEL OVERALL
•
LUBRICATION: SOLUBLE LUBRICANT
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
THREAD QUANTITY PER INCH: 24
•
BEARING SURFACE TYPE: CHAMFERED
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
LUBRICATIONSOLUBLE LUBRICANT
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
NOMINAL THREAD SIZE0.375 INCHES IN
THREAD QUANTITY PER INCH24
BEARING SURFACE TYPECHAMFERED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
WIDTH ACROSS FLATS0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
80129Interchangeable
interchangeable cross-reference
interchangeable
70431Interchangeable
interchangeable cross-reference
interchangeable
CJ1-20FK-624Interchangeable
interchangeable cross-reference
interchangeable
5M00723277Interchangeable
interchangeable cross-reference
interchangeable
55002317Interchangeable
interchangeable cross-reference
interchangeable
21FK624Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120-11000PC37 &?
120-11000PC37 & is a 120-11000PC37 &.
What parts can replace 120-11000PC37 &?
There are 7 known substitutes for 120-11000PC37 &: 80129, 70431, CJ1-20FK-624 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 120-11000PC37 &?
120-11000PC37 & is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-865-9889. 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