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CA21021 — NUT,SELF-LOCKING,PLATE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

CA21021: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SHELL, nut_style: PLATE, nut_height: 0.496 INCHES MINIMUM AND 0.536 INCHES MAXIMUM IN, nut_length: 0.790 INCHES MINIMUM AND 0.824 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, plate_width: 0.535 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-054-0840, 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
CA21021
NSN: 5310-01-054-0840
NIINs: 010540840, 017340218
FSC: 5310 — Nuts and Washers
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SHELL
nut_stylePLATE
nut_height0.496 INCHES MINIMUM AND 0.536 INCHES MAXIMUM IN
nut_length0.790 INCHES MINIMUM AND 0.824 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
plate_width0.535 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE ALL METAL DESIGN
plate_thickness0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedFLOATING NUT
NSN5310-01-054-0840
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: CA21021 · 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: 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
•
NUT LENGTH: 0.790 INCHES MINIMUM AND 0.824 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SHELL
•
THREAD SERIES: UNF
•
PLATE WIDTH: 0.535 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
•
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
PLATE THICKNESS0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
NUT LENGTH0.790 INCHES MINIMUM AND 0.824 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SHELL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE NUT
THREAD SERIESUNF
PLATE WIDTH0.535 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
REMOVABLE NUT MANUFACTURER PART NUMBERCA21021-1
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5528,17-7PH ASSN STD SINGLE MATERIAL RESPONSE SHELL
SUBSTITUTES & CROSS-REFERENCES 6
CA1021Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5310PL2215059Reference document
Same NSN cross-reference
Reference document — Informative reference only
C7983-4Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
913003Reference document
Same NSN cross-reference
Reference document — Secondary reference
5310PL2215517Reference document
Same NSN cross-reference
Reference document — Informative reference only
5310PL0743475Reference document
Same NSN cross-reference
Reference document — Informative 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 CA21021?
CA21021 is a NUT,SELF-LOCKING,PLATE.
What parts can replace CA21021?
There are 6 known substitutes for CA21021: CA1021, 5310PL2215059, C7983-4 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CA21021?
CA21021 is cataloged in the U.S. Government catalog under NSN 5310-01-054-0840. This indicates validated use in U.S. government and defense supply chains.
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