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H71243-02-2-5 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

H71243-02-2-5: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, nut_style: HEXAGON, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND, nominal_thread_size: 0.750 INCHES IN, end_item_identification: SEAL, SHAFT, BULKHEAD. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-557-7897, 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
H71243-02-2-5
NSN: 5310-01-557-7897
FSC: 5310 — Nuts and Washers
CAGE: 0EYA6 — DEFENSE MARITIME SOLUTIONS, INC. (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
nut_styleHEXAGON
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
nominal_thread_size0.750 INCHES IN
end_item_identificationSEAL, SHAFT, BULKHEAD
thread_quantity_per_inch10
part_name_assigned_by_controlling_agencyNUT
NSN5310-01-557-7897
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: H71243-02-2-5 · 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
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
•
NUT STYLE: HEXAGON
•
THREAD QUANTITY PER INCH: 10
•
MATERIAL: NICKEL ALLOY OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.750 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT
NUT STYLEHEXAGON
END ITEM IDENTIFICATIONSEAL, SHAFT, BULKHEAD
THREAD QUANTITY PER INCH10
MATERIALNICKEL ALLOY OVERALL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
US71243-02 ITEM NO. 2-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H71243-02-2-5?
H71243-02-2-5 is a NUT,PLAIN,HEXAGON.
What parts can replace H71243-02-2-5?
There is 1 known substitute for H71243-02-2-5: US71243-02 ITEM NO. 2-5. Substitute compatibility should be verified for your specific system.
What is the NSN for H71243-02-2-5?
H71243-02-2-5 is cataloged in the U.S. Government catalog under NSN 5310-01-557-7897. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.