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Technical Data Sheet
PartsTable / COMPONENT / 5310001671374
5310001671374 ✓ 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 NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303S OR STEEL COMP 303SE OR STEEL CORROSION RESISTING OVERALL, nut_style: HEXAGON, nut_height: 0.057 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-167-1374, 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
5310001671374
NSN: 5310-00-167-1374
FSC: 5310
CAGE: A00AM — E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
SPECIFICATIONS
materialSTEEL COMP 303S OR STEEL COMP 303SE OR STEEL CORROSION RESISTING OVERALL
nut_styleHEXAGON
nut_height0.057 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.180 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
nominal_thread_size0.099 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch48
material_document_and_classificationMIL-S-7720 COMP FM MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-7720 COMP FM MIL SPEC 2ND MATERIAL RESPONSE OVERALL
NSN5310-00-167-1374
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5310001671374 · 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
•
NUT STYLE: HEXAGON
•
THREAD CLASS: 2B
•
NUT HEIGHT: 0.057 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
NOMINAL THREAD SIZE: 0.099 INCHES IN
•
THREAD QUANTITY PER INCH: 48
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONW/S:SUPPORT EQUIPMENT, B-1 AIRCRAFT; COMMUNICATIONS SYSTEMS, AN/WRR-7; TELETYPE, MODEL 28; LOS ANGELES CLASS SSN (688); VIRGINIA CLASS SUBMARINE, SSN-774; ENGINE, AIRCRAFT, F101-GE-102 (B-1); SUBMARINE COMMUNICATIONS AND ANTENNA SYSTEMS; STURGEON CLASS SSN (637); SEAWOLF CLASS SSN
NUT STYLEHEXAGON
THREAD CLASS2B
NUT HEIGHT0.057 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
NOMINAL THREAD SIZE0.099 INCHES IN
THREAD QUANTITY PER INCH48
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTPASSIVATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
50507Interchangeable
interchangeable cross-reference
interchangeable
4246Interchangeable
interchangeable cross-reference
interchangeable
3320-259Interchangeable
interchangeable cross-reference
interchangeable
CMC3320-259Interchangeable
interchangeable cross-reference
interchangeable
120X 5/16 (16 IN. LG)Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751 TYBCL2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5310001671374?
5310001671374 is a NUT,PLAIN,HEXAGON.
What parts can replace 5310001671374?
There are 15 known substitutes for 5310001671374: 50507, 4246, 3320-259 and 12 more. Substitute compatibility should be verified for your specific system.
Is 5310001671374 still available?
5310001671374 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