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677824 — NUT,SELF-LOCKING,GANG CHANNEL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

677824: NUT,SELF-LOCKING,GANG CHANNEL.

The NUT,SELF-LOCKING,GANG CHANNEL is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: GANG CHANNEL, SELF LOCKING, base_width: 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN, nut_height: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, nut_length: 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN, thread_class: 3BG. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-451-9627, 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
677824
NSN: 5310-00-451-9627
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
nut_styleGANG CHANNEL, SELF LOCKING
base_width0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
nut_height0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
nut_length0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
thread_class3BG
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
base_thickness0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
hardness_rating33.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
countersink_angle85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
NSN5310-00-451-9627
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 677824 · 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 LENGTH: 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
HARDNESS RATING: 33.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
BASE WIDTH: 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
TECHNICAL CHARACTERISTICS
NUT LENGTH0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
BASE WIDTH0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
NUT HEIGHT0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
COUNTERSINK ANGLE85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
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 5
677825Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
677822Reference document
Same NSN cross-reference
Reference document — Secondary reference
677823Reference document
Same NSN cross-reference
Reference document — Secondary reference
72442-1032Reference document
Same NSN cross-reference
Reference document — Secondary reference
G10470-3KReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 677824?
677824 is a NUT,SELF-LOCKING,GANG CHANNEL.
What parts can replace 677824?
There are 5 known substitutes for 677824: 677825, 677822, 677823 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 677824?
677824 is cataloged in the U.S. Government catalog under NSN 5310-00-451-9627. 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.