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PartsTable / COMPONENT / 007531408 ITEM 32
007531408 ITEM 32 ✓ 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: COPPER ALLOY OVERALL, nut_style: HEXAGON, nut_height: 0.344 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, 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 5310-01-020-0242, 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
007531408 ITEM 32
NSN: 5310-01-020-0242
FSC: 5310
CAGE: K1367 — MINISTRY OF DEFENCE (NAVY), SHIP SUPPORT AGENCY, NAVAL TECHNICAL PUBLICATION AUTHORITY (GBR)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleHEXAGON
nut_height0.344 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats0.250 INCHES NOMINAL IN
nominal_thread_size0.190 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch32
NSN5310-01-020-0242
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 007531408 ITEM 32 · 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: 0.344 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
THREAD QUANTITY PER INCH: 32
•
THREAD SERIES: UNF
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED
•
NUT STYLE: HEXAGON
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.344 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
THREAD QUANTITY PER INCH32
THREAD SERIESUNF
NOMINAL THREAD SIZE0.190 INCHES IN
BEARING SURFACE TYPECHAMFERED
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
631640Interchangeable
interchangeable cross-reference
interchangeable
100159Interchangeable
interchangeable cross-reference
interchangeable
SB340 MOD3 D08Interchangeable
interchangeable cross-reference
interchangeable
P001537 IT 1Interchangeable
interchangeable cross-reference
interchangeable
SB340 MOD3 D13 ITEM 31Interchangeable
interchangeable cross-reference
interchangeable
SB340 MOD3 D13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 007531408 ITEM 32?
007531408 ITEM 32 is a NUT,PLAIN,HEXAGON.
What parts can replace 007531408 ITEM 32?
There are 10 known substitutes for 007531408 ITEM 32: 631640, 100159, SB340 MOD3 D08 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 007531408 ITEM 32?
007531408 ITEM 32 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-020-0242. 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