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PartsTable / COMPONENT / NUT00906
NUT00906 ✓ 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,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING INSERT, nut_style: HEXAGON, nut_height: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-427-6552, 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
NUT00906
NSN: 5310-00-427-6552
FSC: 5310
CAGE: 60532 — TRANE U.S. INC. DBA THE TRANE CO DIV TRANE HEADQUARTERS (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON LOCKING INSERT
nut_styleHEXAGON
nut_height0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
temp_rating250.0 FAHRENHEIT MAXIMUM DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentCADMIUM NUT
width_across_flats0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
nominal_thread_size0.625 INCHES IN
bearing_surface_typeCHAMFERED
NSN5310-00-427-6552
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NUT00906 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED
•
TEMP RATING: 250.0 FAHRENHEIT MAXIMUM DEGF
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
MATERIAL: PLASTIC POLYAMIDE NYLON LOCKING INSERT
•
WIDTH ACROSS FLATS: 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
NOMINAL THREAD SIZE0.625 INCHES IN
BEARING SURFACE TYPECHAMFERED
TEMP RATING250.0 FAHRENHEIT MAXIMUM DEGF
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
MATERIALPLASTIC POLYAMIDE NYLON LOCKING INSERT
WIDTH ACROSS FLATS0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONW/S:HELICOPTER, USCG SEARCH AND RESCUE, HH-60J; HELICOPTER, ADVANCE ATTCK, AH-1W; HELICOPTER, SEARCH AND RESCUE, HH-60H; IMPECCABLE CLASS T-AGOS 23; AIRCRAFT, PROWLER EA-6B; AIRCRAFT, C-2A (REPROCURED); SUPPLY CLASS AOE; HELICOPTER, CARRIER BASED ASW, SH-60F; FMS-NEWPORT CLASS LST; HELICOPTER, MH-53E A
SURFACE TREATMENTCADMIUM NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
D35C2500004 ITEM 71Interchangeable
interchangeable cross-reference
interchangeable
19830Interchangeable
interchangeable cross-reference
interchangeable
D35-991-2402 REV E REF #62Interchangeable
interchangeable cross-reference
interchangeable
537.8125Interchangeable
interchangeable cross-reference
interchangeable
50-10158Interchangeable
interchangeable cross-reference
interchangeable
224C-13/16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NUT00906?
NUT00906 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace NUT00906?
There are 13 known substitutes for NUT00906: D35C2500004 ITEM 71, 19830, D35-991-2402 REV E REF #62 and 10 more. Substitute compatibility should be verified for your specific system.
Is NUT00906 still available?
NUT00906 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026