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Technical Data Sheet
PartsTable / COMPONENT / 137314
137314 ✓ 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 FLANGE AND SEAL ASSEMBLY is a the manufacturer industrial component. Key specifications include end_item_identification: ACFT ENG R1300, general_characteristics_item_description: CONSISTS OF PART NUMBERS 244D81 AND 138671; FOR CRANKCASE FRONT SECTION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-013-7314, 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
137314
NSN: 5315-00-013-7314
FSC: 5315
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
end_item_identificationACFT ENG R1300
general_characteristics_item_descriptionCONSISTS OF PART NUMBERS 244D81 AND 138671; FOR CRANKCASE FRONT SECTION
NSN5315-00-013-7314
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 137314 · 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
•
STYLE DESIGNATOR: STANDARD
•
DIAMETER: 0.250 INCHES NOMINAL IN
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
UNDERLOOP LENGTH: 2.750 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTANDARD
DIAMETER0.250 INCHES NOMINAL IN
SURFACE TREATMENTPHOSPHATE OVERALL
UNDERLOOP LENGTH2.750 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
131090Interchangeable
interchangeable cross-reference
interchangeable
428161Interchangeable
interchangeable cross-reference
interchangeable
137314Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 137314?
137314 is a FLANGE AND SEAL ASSEMBLY.
What parts can replace 137314?
There are 3 known substitutes for 137314: 131090, 428161, 137314. Substitute compatibility should be verified for your specific system.
What is the NSN for 137314?
137314 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-013-7314. 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