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PartsTable / COMPONENT / 74A894-12
74A894-12 ✓ 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: COPPER ALLOY NUT, nut_style: HEXAGON, nut_height: 0.219 INCHES NOMINAL IN, temp_rating: -160.0 FAHRENHEIT MINIMUM AND 500.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-912-5182, 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
74A894-12
NSN: 5310-00-912-5182
FSC: 5310
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY NUT
nut_styleHEXAGON
nut_height0.219 INCHES NOMINAL IN
temp_rating-160.0 FAHRENHEIT MINIMUM AND 500.0 FAHRENHEIT MAXIMUM DEGF
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentNICKEL NUT
width_across_flats0.500 INCHES NOMINAL IN
nominal_thread_size0.138 INCHES IN
bearing_surface_typeFLAT OR WASHER FACED
NSN5310-00-912-5182
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 74A894-12 · 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
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
BEARING SURFACE TYPE: FLAT OR WASHER FACED
•
SURFACE TREATMENT: NICKEL NUT
•
MATERIAL: RUBBER SYNTHETIC LOCKING INSERT
•
THREAD DIRECTION: RIGHT-HAND
•
TEMP RATING: -160.0 FAHRENHEIT MINIMUM AND 500.0 FAHRENHEIT MAXIMUM DEGF
TECHNICAL CHARACTERISTICS (FLIS)
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
NOMINAL THREAD SIZE0.138 INCHES IN
BEARING SURFACE TYPEFLAT OR WASHER FACED
SURFACE TREATMENTNICKEL NUT
MATERIALRUBBER SYNTHETIC LOCKING INSERT
MATERIALCOPPER ALLOY NUT
THREAD DIRECTIONRIGHT-HAND
TEMP RATING-160.0 FAHRENHEIT MINIMUM AND 500.0 FAHRENHEIT MAXIMUM DEGF
NUT HEIGHT0.219 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
T235A188-1Interchangeable
interchangeable cross-reference
interchangeable
850604-1Interchangeable
interchangeable cross-reference
interchangeable
180-2754-01-05-00Interchangeable
interchangeable cross-reference
interchangeable
NIP-328 ITEM 10Interchangeable
interchangeable cross-reference
interchangeable
706-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 74A894-12?
74A894-12 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 74A894-12?
There are 5 known substitutes for 74A894-12: T235A188-1, 850604-1, 180-2754-01-05-00 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 74A894-12?
74A894-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-912-5182. 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