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NASM21066 — NUT ASSEMBLY,SELF-LOCKING,GANG C

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

NASM21066: NUT ASSEMBLY,SELF-LOCKING,GANG C.

NUT ASSEMBLY,SELF-LOCKING,GANG C. Key specifications include material: STEEL NUT, nut_style: GANG CHANNEL, SELF LOCKING, lubrication: DRY FILM LUBRICANT, nut_spacing: 2.000 INCHES NOMINAL IN, temp_rating: 250.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-948-9720, 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
NASM21066
NSN: 5310-00-948-9720
NIINs: 009489720, 013983064
FSC: 5310 — Nuts and Washers
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL NUT
nut_styleGANG CHANNEL, SELF LOCKING
lubricationDRY FILM LUBRICANT
nut_spacing2.000 INCHES NOMINAL IN
temp_rating250.0 FAHRENHEIT MAXIMUM DEGF
nut_quantity2
thread_class3B
channel_styleSTRAIGHT TYPE
overall_width0.593 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
channel_height0.281 INCHES MAXIMUM IN
overall_length72.000 INCHES NOMINAL IN
NSN5310-00-948-9720
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NASM21066 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE NUT
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
NUT QUANTITY: 64
•
TEMP RATING: 250.0 FAHRENHEIT MAXIMUM DEGF
•
HARDNESS RATING: 49.0 ROCKWELL C MAXIMUM
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE NUT
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
NUT QUANTITY64
TEMP RATING250.0 FAHRENHEIT MAXIMUM DEGF
HARDNESS RATING49.0 ROCKWELL C MAXIMUM
OVERALL LENGTH72.000 INCHES NOMINAL IN
OVERALL WIDTH0.593 INCHES MAXIMUM IN
FEATURES PROVIDEDFLOATING NUT
CHANNEL HEIGHT0.281 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
MS21066L3-9Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NASM21066?
NASM21066 is a NUT ASSEMBLY,SELF-LOCKING,GANG C.
What parts can replace NASM21066?
There is 1 known substitute for NASM21066: MS21066L3-9. Substitute compatibility should be verified for your specific system.
What is the NSN for NASM21066?
NASM21066 is cataloged in the U.S. Government catalog under NSN 5310-00-948-9720. This indicates validated use in U.S. government and defense supply chains.
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