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PartsTable / COMPONENT / 140-137
140-137 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: GLASS AND PLASTIC POLYAMIDE NYLON BODY, thickness: 0.094 INCHES NOMINAL IN, body_style: PCB, STANDOFF TERMINALS, hole_diameter: 0.342 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN, overall_width: 0.475 INCHES NOMINAL IN, terminal_type: PIN SINGLE MATING END SINGLE CONTACT GROUPING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-531-2884, 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
140-137
NSN: 5310-00-531-2884
FSC: 5310
CAGE: 81413 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DBA BAE SYSTEMS (USA)
SPECIFICATIONS
materialGLASS AND PLASTIC POLYAMIDE NYLON BODY
thickness0.094 INCHES NOMINAL IN
body_stylePCB, STANDOFF TERMINALS
hole_diameter0.342 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN
overall_width0.475 INCHES NOMINAL IN
terminal_typePIN SINGLE MATING END SINGLE CONTACT GROUPING
overall_height0.720 INCHES NOMINAL IN
overall_length4.022 INCHES MINIMUM AND 4.046 INCHES MAXIMUM IN
insert_materialPLASTIC DIALLYL PHTHALATE SINGLE MATING END
contact_materialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
overall_diameter0.514 INCHES MINIMUM AND 0.518 INCHES MAXIMUM IN
special_featuresKIT CONSIST OF CASE, INSERT, GAGE INNER, GAGE OUTER, AND IDENT. LABEL
NSN5310-00-531-2884
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 140-137 · 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: PLASTIC OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.342 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.094 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 0.514 INCHES MINIMUM AND 0.518 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC OVERALL
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.342 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.094 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER0.514 INCHES MINIMUM AND 0.518 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
15799Interchangeable
interchangeable cross-reference
interchangeable
SCC85274Interchangeable
interchangeable cross-reference
interchangeable
SMC185209Interchangeable
interchangeable cross-reference
interchangeable
60-11991Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
BAC1514-156Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 140-137?
140-137 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 140-137?
There are 14 known substitutes for 140-137: 15799, SCC85274, SMC185209 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 140-137?
140-137 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-531-2884. 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