U8266-2 — NUT,SELF-LOCKING,ROUND

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

U8266-2: NUT,SELF-LOCKING,ROUND.

The NUT,SELF-LOCKING,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL NUT, nut_style: ROUND, nut_diameter: 2.954 INCHES MINIMUM AND 2.969 INCHES MAXIMUM IN, nut_thickness: 0.546 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN, thread_series: UNS, locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-164-4492, 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

U8266-2

NSN: 5310-01-164-4492
FSC: 5310 — Nuts and Washers
CAGE: 99551 — GOODRICH CORPORATION DBA GOODRICH CORP (USA)

SPECIFICATIONS

material	STEEL NUT
nut_style	ROUND
nut_diameter	2.954 INCHES MINIMUM AND 2.969 INCHES MAXIMUM IN
nut_thickness	0.546 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
thread_series	UNS
locking_feature	PREVAILING TORQUE WITH NONMETALLIC INSERT
thread_direction	RIGHT-HAND
drive_point_depth	0.125 INCHES NOMINAL IN
drive_point_width	0.230 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
small_end_diameter	2.531 INCHES NOMINAL IN
undercut_thickness	0.141 INCHES NOMINAL IN
nominal_thread_size	2.157 INCHES IN
NSN	5310-01-164-4492

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD SERIES: UNS

•

THREAD PITCH DIAMETERS: +2.1209 TO 2.1260 INCHES IN

•

DRIVE POINT WIDTH: 0.230 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 2.157 INCHES IN

•

NUT DIAMETER: 2.954 INCHES MINIMUM AND 2.969 INCHES MAXIMUM IN

•

DRIVE POINT DEPTH: 0.125 INCHES NOMINAL IN

•

UNDERCUT THICKNESS: 0.141 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

THREAD SERIES	UNS
THREAD PITCH DIAMETERS	+2.1209 TO 2.1260 INCHES IN
DRIVE POINT WIDTH	0.230 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	2.157 INCHES IN
NUT DIAMETER	2.954 INCHES MINIMUM AND 2.969 INCHES MAXIMUM IN
DRIVE POINT DEPTH	0.125 INCHES NOMINAL IN
UNDERCUT THICKNESS	0.141 INCHES NOMINAL IN
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT THICKNESS	0.546 INCHES MINIMUM AND 0.578 INCHES MAXIMUM 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 2

01-0296 ITEM NO 26Reference document

Same NSN cross-reference

Reference document — Secondary reference

K59-0044Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 U8266-2?

U8266-2 is a NUT,SELF-LOCKING,ROUND.

What parts can replace U8266-2?

There are 2 known substitutes for U8266-2: 01-0296 ITEM NO 26, K59-0044. Substitute compatibility should be verified for your specific system.

What is the NSN for U8266-2?

U8266-2 is cataloged in the U.S. Government catalog under NSN 5310-01-164-4492. This indicates validated use in U.S. government and defense supply chains.

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