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Technical Data Sheet

11A2089 — Technical Data Sheet

✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,OCTAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: PLAIN, OCTAGON, nut_height: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UN, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System under NSN 5310-00-275-0703, 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
11A2089
NSN: 5310-00-275-0703
FSC: 5310
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_stylePLAIN, OCTAGON
nut_height0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
thread_class3B
thread_seriesUN
thread_directionRIGHT-HAND
features_providedCASEHARDENED
width_across_flats3.802 INCHES MINIMUM AND 3.822 INCHES MAXIMUM IN
nominal_thread_size2.625 INCHES IN
bearing_surface_typeCHAMFERED
drilled_hole_diameter0.257 INCHES NOMINAL IN
hole_type_and_quantity1 DRILLED
NSN5310-00-275-0703
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11A2089 · 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 STYLE: PLAIN, OCTAGON
•
FEATURES PROVIDED: CASEHARDENED
•
HOLE CONFIGURATION STYLE: CONFIGURATION H
•
THREAD SERIES: UN
•
BEARING SURFACE TYPE: CHAMFERED
•
THREAD QUANTITY PER INCH: 16
•
NOMINAL THREAD SIZE: 2.625 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
NUT STYLEPLAIN, OCTAGON
FEATURES PROVIDEDCASEHARDENED
HOLE CONFIGURATION STYLECONFIGURATION H
THREAD SERIESUN
BEARING SURFACE TYPECHAMFERED
THREAD QUANTITY PER INCH16
NOMINAL THREAD SIZE2.625 INCHES IN
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
HOLE TYPE AND QUANTITY1 DRILLED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
51566InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
65600-192InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
70550-192InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
79932-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
031-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
611982InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11A2089?
11A2089 is a NUT,PLAIN,OCTAGON.
What parts can replace 11A2089?
There are 15 known substitutes for 11A2089: 51566, 65600-192, 70550-192 and 12 more. Substitute compatibility should be verified for your specific system.
Is 11A2089 still available?
11A2089 is currently cancelled.
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