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H719-1009-27 — NUT,SELF-LOCKING,CLINCH

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

H719-1009-27: NUT,SELF-LOCKING,CLINCH.

The NUT,SELF-LOCKING,CLINCH is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND, nominal_thread_size: 0.250 INCHES IN, end_item_identification: VIRGINIA CLASS SSN; MAIN SHAFT SEAL WATER GUARD ASSY. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-509-5303, 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
H719-1009-27
NSN: 5310-01-509-5303
FSC: 5310 — Nuts and Washers
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
nominal_thread_size0.250 INCHES IN
end_item_identificationVIRGINIA CLASS SSN; MAIN SHAFT SEAL WATER GUARD ASSY
thread_quantity_per_inch20
part_name_assigned_by_controlling_agencyNUT,SLFLKG, CLINCH HEX
NSN5310-01-509-5303
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: H719-1009-27 · 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: 0.250 INCHES IN
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 20
•
MATERIAL: NICKEL ALLOY OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT,SLFLKG, CLINCH HEX
THREAD CLASS3B
END ITEM IDENTIFICATIONVIRGINIA CLASS SSN; MAIN SHAFT SEAL WATER GUARD ASSY
THREAD QUANTITY PER INCH20
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 2
09NC4-040Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
243-6985896-27Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H719-1009-27?
H719-1009-27 is a NUT,SELF-LOCKING,CLINCH.
What parts can replace H719-1009-27?
There are 2 known substitutes for H719-1009-27: 09NC4-040, 243-6985896-27. Substitute compatibility should be verified for your specific system.
What is the NSN for H719-1009-27?
H719-1009-27 is cataloged in the U.S. Government catalog under NSN 5310-01-509-5303. This indicates validated use in U.S. government and defense supply chains.
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