PartsTable
Technical Data Sheet
T8004943-5 ✓ 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,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING INSERT, nut_style: HEXAGON, nut_height: 0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-727-5223, 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
T8004943-5
NSN: 5310-00-727-5223
FSC: 5310
CAGE: 97993 — GENERAL DYNAMICS DEFENSE SYSTEMS INC. DBA GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON LOCKING INSERT
nut_styleHEXAGON
nut_height0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE NUT
width_across_flats0.489 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch20
NSN5310-00-727-5223
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: T8004943-5 · 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
SURFACE TREATMENT: PASSIVATE NUT
MATERIAL: PLASTIC POLYAMIDE NYLON LOCKING INSERT
NOMINAL THREAD SIZE: 0.250 INCHES IN
NUT HEIGHT: 0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPASSIVATE NUT
MATERIALPLASTIC POLYAMIDE NYLON LOCKING INSERT
MATERIALSTEEL CORROSION RESISTING NUT
NOMINAL THREAD SIZE0.250 INCHES IN
NUT HEIGHT0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
THREAD CLASS3B
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.489 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
79NU040Interchangeable
interchangeable cross-reference
interchangeable
9166352Interchangeable
interchangeable cross-reference
interchangeable
2650514-001Interchangeable
interchangeable cross-reference
interchangeable
60-07-2723Interchangeable
interchangeable cross-reference
interchangeable
94484-12Interchangeable
interchangeable cross-reference
interchangeable
M24129-4-10CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T8004943-5?
T8004943-5 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace T8004943-5?
There are 30 known substitutes for T8004943-5: 79NU040, 9166352, 2650514-001 and 27 more. Substitute compatibility should be verified for your specific system.
Is T8004943-5 still available?
T8004943-5 is currently cancelled.
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