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Technical Data Sheet

4804-521530PC7 — Technical Data Sheet

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— · 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,CAP is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING INSERT, nut_style: CAP, nut_height: 0.844 INCHES NOMINAL IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5310-00-274-8859, 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
4804-521530PC7
NSN: 5310-00-274-8859
FSC: 5310
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON LOCKING INSERT
nut_styleCAP
nut_height0.844 INCHES NOMINAL IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
width_across_flats0.750 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch20
NSN5310-00-274-8859
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4804-521530PC7 · 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 HEIGHT: 0.844 INCHES NOMINAL IN
•
BEARING SURFACE TYPE: CHAMFERED
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
MATERIAL: COPPER ALLOY OVERALL EXCEPT INSERT
•
THREAD CLASS: 3B
•
THREAD SERIES: UNF
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
TECHNICAL CHARACTERISTICS
NUT HEIGHT0.844 INCHES NOMINAL IN
BEARING SURFACE TYPECHAMFERED
NOMINAL THREAD SIZE0.500 INCHES IN
MATERIALCOPPER ALLOY OVERALL EXCEPT INSERT
THREAD CLASS3B
THREAD SERIESUNF
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
THREAD QUANTITY PER INCH20
NUT STYLECAP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
312MT10InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5364645InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
107083HInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
40046InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FA7862InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
710340-03InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4804-521530PC7?
4804-521530PC7 is a NUT,SELF-LOCKING,CAP.
What parts can replace 4804-521530PC7?
There are 16 known substitutes for 4804-521530PC7: 312MT10, 5364645, 107083H and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4804-521530PC7?
4804-521530PC7 is cataloged in the Federal Logistics Information System under NSN 5310-00-274-8859. This indicates validated use in U.S. government and defense supply chains.
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