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400313 — RESISTOR,THERMAL

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

400313: RESISTOR,THERMAL.

The RESISTOR,THERMAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.093 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNEF, special_features: POWER DISTRIBUTION UNIT,ETHERNET CONTROLLED. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-028-4803, 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
MRO→ MRO_GENERAL→ 400313
NSN: 5310-01-028-4803
NIINs: 010284803, 010991511, 016324593
FSC: 5310 — Nuts and Washers
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.093 INCHES NOMINAL IN
thread_class2B
thread_seriesUNEF
special_featuresPOWER DISTRIBUTION UNIT,ETHERNET CONTROLLED
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.625 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES IN
bearing_surface_typeCHAMFERED
end_item_identificationTSCEI
NSN5310-01-028-4803
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 400313 · 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: 0.625 INCHES NOMINAL IN
•
THREAD SERIES: UNEF
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
NUT HEIGHT: 0.093 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.625 INCHES NOMINAL IN
THREAD SERIESUNEF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.500 INCHES IN
NUT HEIGHT0.093 INCHES NOMINAL IN
SPECIAL FEATURES0.046 IN. W SPLIT ON ONE FLAT IN
SURFACE TREATMENTPASSIVATE OVERALL
NUT STYLEHEXAGON
THREAD CLASS2B
THREAD QUANTITY PER INCH28
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 400313?
400313 is a RESISTOR,THERMAL. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 400313?
400313 is cataloged in the U.S. Government catalog under NSN 5310-01-028-4803. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.