PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 263-041-1632
263-041-1632 ✓ 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 303 OVERALL, nut_style: HEXAGON, nut_height: 0.087 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNJC, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-143-6475, 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
263-041-1632
NSN: 5310-00-143-6475
FSC: 5310
CAGE: 95542 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
nut_styleHEXAGON
nut_height0.087 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNJC
thread_directionRIGHT-HAND
countersink_angle110.0 DEGREES NOMINAL NUT
surface_treatmentPASSIVATE OVERALL
width_across_flats0.241 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
nominal_thread_size0.138 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
end_item_identificationA4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
NSN5310-00-143-6475
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 263-041-1632 · 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
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 32
•
BEARING SURFACE TYPE: CHAMFERED
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OR QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-763 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 6TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 7TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 8TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 9TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 10TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 11TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 12TH MATERIAL RESPONSE OR Q-S-763 FED SPEC 13TH MATERIAL RESPONSE OVERALL
•
NUT HEIGHT: 0.094 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.138 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH32
BEARING SURFACE TYPECHAMFERED
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OR QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-763 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 6TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 7TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 8TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 9TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 10TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 11TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 12TH MATERIAL RESPONSE OR Q-S-763 FED SPEC 13TH MATERIAL RESPONSE OVERALL
NUT HEIGHT0.094 INCHES NOMINAL IN
THREAD CLASS2B
SURFACE TREATMENTPASSIVATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
964006-005Interchangeable
interchangeable cross-reference
interchangeable
2-702Interchangeable
interchangeable cross-reference
interchangeable
203-1001P3Interchangeable
interchangeable cross-reference
interchangeable
TYP300-6-32NC2BCRESInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 263-041-1632?
263-041-1632 is a NUT,PLAIN,HEXAGON.
What parts can replace 263-041-1632?
There are 4 known substitutes for 263-041-1632: 964006-005, 2-702, 203-1001P3 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 263-041-1632?
263-041-1632 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-143-6475. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026