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C7988-6 — NUT,SELF-LOCKING,PLATE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

C7988-6: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OR STEEL COMP 4140 NUT, nut_style: PLATE, nut_height: 0.590 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN, nut_length: 1.115 INCHES NOMINAL IN, lubrication: DRY FILM LUBRICANT, plate_width: 0.545 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-053-3363, 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
C7988-6
NSN: 5310-01-053-3363
FSC: 5310 — Nuts and Washers
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OR STEEL COMP 4140 NUT
nut_stylePLATE
nut_height0.590 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
nut_length1.115 INCHES NOMINAL IN
lubricationDRY FILM LUBRICANT
plate_width0.545 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE ALL METAL DESIGN
plate_thickness0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedFLOATING NUT
NSN5310-01-053-3363
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C7988-6 · 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
•
LUBRICATION: DRY FILM LUBRICANT
•
PLATE THICKNESS: 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
•
NUT LENGTH: 1.115 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SHELL
•
THREAD SERIES: UNF
•
PLATE WIDTH: 0.545 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
•
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
PLATE THICKNESS0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
NUT LENGTH1.115 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SHELL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE NUT
THREAD SERIESUNF
PLATE WIDTH0.545 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
REMOVABLE NUT MANUFACTURER PART NUMBERCA21024-1
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5528 ASSN STD SINGLE MATERIAL RESPONSE SHELL
SUBSTITUTES & CROSS-REFERENCES 4
FRS319819-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
120003-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
TE114-0002-0001Reference document
Same NSN cross-reference
Reference document — Secondary reference
5310PL0743334Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C7988-6?
C7988-6 is a NUT,SELF-LOCKING,PLATE.
What parts can replace C7988-6?
There are 4 known substitutes for C7988-6: FRS319819-2, 120003-6, TE114-0002-0001 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C7988-6?
C7988-6 is cataloged in the U.S. Government catalog under NSN 5310-01-053-3363. This indicates validated use in U.S. government and defense supply chains.
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