C20811-4-4 — NUT,SELF-LOCKING,PLATE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

C20811-4-4: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 NUT, nut_style: PLATE, nut_height: 0.632 INCHES MINIMUM AND 0.652 INCHES MAXIMUM IN, nut_length: 1.032 INCHES MINIMUM AND 1.052 INCHES MAXIMUM IN, plate_width: 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-485-8329, 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

C20811-4-4

NSN: 5310-01-485-8329
FSC: 5310 — Nuts and Washers
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)

SPECIFICATIONS

material	NICKEL ALLOY 718 NUT
nut_style	PLATE
nut_height	0.632 INCHES MINIMUM AND 0.652 INCHES MAXIMUM IN
nut_length	1.032 INCHES MINIMUM AND 1.052 INCHES MAXIMUM IN
plate_width	0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
plate_thickness	0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE CLIP
nominal_thread_size	0.250 INCHES IN
NSN	5310-01-485-8329

COMPONENT DIAGRAM

KEY FEATURES

•

PLATE THICKNESS: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN

•

NUT LENGTH: 1.032 INCHES MINIMUM AND 1.052 INCHES MAXIMUM IN

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

PLATE WIDTH: 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE BASE

•

NUT COUNTERBORE DEPTH: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM NUT IN

TECHNICAL CHARACTERISTICS

PLATE THICKNESS	0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
NUT LENGTH	1.032 INCHES MINIMUM AND 1.052 INCHES MAXIMUM IN
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
PLATE WIDTH	0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE BASE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5596 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5597 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5662 ASSN STD 3RD MATERIAL RESPONSE OR AMS 5663 ASSN STD 4TH MATERIAL RESPONSE OR AMS 5664 ASSN STD 5TH MATERIAL RESPONSE NUT
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5688 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5866 ASSN STD 2ND MATERIAL RESPONSE CLIP
NUT COUNTERBORE DEPTH	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM NUT IN
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN

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

5310PL1633307Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

Ready to buy C20811-4-4?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is C20811-4-4?

C20811-4-4 is a NUT,SELF-LOCKING,PLATE.

What parts can replace C20811-4-4?

There is 1 known substitute for C20811-4-4: 5310PL1633307. Substitute compatibility should be verified for your specific system.

What is the NSN for C20811-4-4?

C20811-4-4 is cataloged in the U.S. Government catalog under NSN 5310-01-485-8329. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

C20811-4-4 — NUT,SELF-LOCKING,PLATE

Request a Quote — C20811-4-4