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Technical Data Sheet
PartsTable / COMPONENT / 70644
70644 ✓ Verified by PartsTable
ICY BOX · 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 COIL,RADIO FREQUENCY is a ICY BOX industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, body_length: 0.500 INCHES NOMINAL IN, hole_diameter: 0.339 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN, rating_method: WINDING TURNS SINGLE COMPONENT SINGLE WINDING, turn_quantity: 347 SINGLE COMPONENT SINGLE WINDING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-081-4219, 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
70644
NSN: 5310-00-081-4219
FSC: 5310
CAGE: 0W357 — PDI GROUND SUPPORT SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
body_length0.500 INCHES NOMINAL IN
hole_diameter0.339 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
turn_quantity347 SINGLE COMPONENT SINGLE WINDING
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
overall_diameter0.681 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN
inductance_rating770.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
surface_treatmentCADMIUM AND CHROMATE OVERALL
NSN5310-00-081-4219
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 70644 · ICY BOX ⚠ 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
•
MATERIAL: STEEL OVERALL
•
OVERALL DIAMETER: 0.681 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.339 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 1 GRADE AND A CLASS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
OVERALL DIAMETER0.681 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
END ITEM IDENTIFICATIONMRAP BUFFALO MK2A2; MRAP - M-ATV UI; AGAV MRAP - M-ATV WITH CS13 POP AND SNE; MEDIUM MINE PROTECTED VEHICLE - MMPV; MRAP - COUGAR; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS); A4 BRADLEY FIGHTING VEHICLE
HOLE DIAMETER0.339 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND A CLASS
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
120393Interchangeable
interchangeable cross-reference
interchangeable
526-1-115Interchangeable
interchangeable cross-reference
interchangeable
120394Interchangeable
interchangeable cross-reference
interchangeable
1176J92-19Interchangeable
interchangeable cross-reference
interchangeable
9438083Interchangeable
interchangeable cross-reference
interchangeable
71941Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 70644?
70644 is a COIL,RADIO FREQUENCY manufactured by ICY BOX.
What parts can replace 70644?
There are 30 known substitutes for 70644: 120393, 526-1-115, 120394 and 27 more. Substitute compatibility should be verified for your specific system.
Is 70644 still available?
70644 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