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320266 — TRANSFORMER,POWER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

320266: TRANSFORMER,POWER.

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING INSERT, nut_style: HEXAGON, body_width: 4.437 INCHES MAXIMUM IN, nut_height: 0.251 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN, body_height: 4.850 INCHES MAXIMUM IN, body_length: 5.312 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-177-7738, 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
320266
NSN: 5310-00-177-7738
NIINs: 001777738, 011056700
FSC: 5310 — Nuts and Washers
CAGE: H7007 — OUTBOARD MARINE NEDERLAND BV (NLD)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON LOCKING INSERT
nut_styleHEXAGON
body_width4.437 INCHES MAXIMUM IN
nut_height0.251 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
body_height4.850 INCHES MAXIMUM IN
body_length5.312 INCHES MAXIMUM IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
inclosure_typeFULLY INCLOSED
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
NSN5310-00-177-7738
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 320266 · 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
•
WIDTH ACROSS FLATS: 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
NUT HEIGHT: 0.251 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT0.251 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM NUT
NUT STYLEHEXAGON
SUBSTITUTES & CROSS-REFERENCES 2
52NTE066Reference document
Same NSN cross-reference
Reference document — Secondary reference
NUT1299Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 320266?
320266 is a TRANSFORMER,POWER.
What parts can replace 320266?
There are 2 known substitutes for 320266: 52NTE066, NUT1299. Substitute compatibility should be verified for your specific system.
What is the NSN for 320266?
320266 is cataloged in the U.S. Government catalog under NSN 5310-00-177-7738. This indicates validated use in U.S. government and defense supply chains.
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