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78423 ✓ Verified by PartsTable
Dataflex · 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

This dual vertical stand mounts two large TV’s or monitors up to 60” (152 cm) and both wall mount brackets are individually height adjustable. The included brackets can be installed as either fixed or tilt able.<br><br>* Designed for video presentations<br>* Plasma/LCD mounts can be individually adjusted in height from 100 - 2013mm<br>* Maximum weight capacity per screen: 60kg.<br>* For two screens up to 60''<br>* Comes with 4 adjustable floor levelers<br>* Dimensions (wxdxh): 1090 x 560 x 1690mm<br>* Comes with AV Solutions Universal LCD/Plasma Mounting Bracket Fixed & Tiltable 32-60" (54352) This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-120-6997, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
78423
NSN: 5310-01-120-6997
FSC: 5310
CAGE: 35510 — PRESTOLITE ELECTRIC INC (USA)
SPECIFICATIONS
overall_length0.30 INCHES NOMINAL IN
special_features1/8 NPTF PIPE SIZE, 0.26 INCH THREAD ENGAGEMENT IN
style_designatorPLUG, MACHINE
surface_treatmentZINC OVERALL
end_item_identification4520-01-598-1844; MRAP - M-ATV
thread_quantity_per_inch27 EXTERNAL
part_name_assigned_by_controlling_agencyZINC-PLATED STEEL SOLID HEX-SOCKET PLUG WITH SEALANT
NSN5310-01-120-6997
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 78423 · Dataflex ⚠ 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
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE II CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1060 OR STEEL COMP 1080 OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
•
MATERIAL THICKNESS: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.873 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.509 INCHES MINIMUM AND 0.523 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE II CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL COMP 1060 OR STEEL COMP 1080 OVERALL
SURFACE TREATMENTCADMIUM OVERALL
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
MATERIAL THICKNESS0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.873 INCHES MAXIMUM IN
HOLE DIAMETER0.509 INCHES MINIMUM AND 0.523 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONNSN 2320-01-318-9902 HET (HEAVY EQUIPMENT TRANSPORTER); 2320-01-304-2277 AND 2320-01-304-2278 PLS (PALLETIZED LOADING SYSTEM)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
09169665Interchangeable
interchangeable cross-reference
interchangeable
Y42Interchangeable
interchangeable cross-reference
interchangeable
2HA519Interchangeable
interchangeable cross-reference
interchangeable
1162T37Interchangeable
interchangeable cross-reference
interchangeable
4320410Interchangeable
interchangeable cross-reference
interchangeable
78423Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 78423?
78423 is a PLUG,MACHINE THREAD manufactured by Dataflex.
What parts can replace 78423?
There are 11 known substitutes for 78423: 09169665, Y42, 2HA519 and 8 more. Substitute compatibility should be verified for your specific system.
Is 78423 still available?
78423 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