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PartsTable / COMPONENT / 156-015
156-015 ✓ 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 PANEL,BLANK is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: HEXAGON, head_style: ROUND, nut_height: 0.250 INCHES NOMINAL IN, head_height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, thread_class: 1A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-276-8633, 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
156-015
NSN: 5310-00-276-8633
FSC: 5310
CAGE: 01214 — ROYAL APPLIANCE MFG. CO. (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
nut_styleHEXAGON
head_styleROUND
nut_height0.250 INCHES NOMINAL IN
head_height0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
thread_class1A A
head_diameter0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
overall_width1.188 INCHES NOMINAL IN
thread_length0.510 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN
thread_seriesUNF
overall_height0.312 INCHES NOMINAL IN
fastener_length1.210 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN
NSN5310-00-276-8633
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 156-015 · 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
•
NUT STYLE: HEXAGON
•
THREAD CLASS: 2B
•
THREAD SERIES: UNF
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD QUANTITY PER INCH: 28
•
BEARING SURFACE TYPE: WASHER FACED
•
NUT HEIGHT: 0.250 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
THREAD CLASS2B
THREAD SERIESUNF
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD QUANTITY PER INCH28
BEARING SURFACE TYPEWASHER FACED
NUT HEIGHT0.250 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.438 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
2-401Interchangeable
interchangeable cross-reference
interchangeable
2401-50HM160WInterchangeable
interchangeable cross-reference
interchangeable
86-471Interchangeable
interchangeable cross-reference
interchangeable
453-4Interchangeable
interchangeable cross-reference
interchangeable
A-A-59214-2-A-5Interchangeable
interchangeable cross-reference
interchangeable
7408931G1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 156-015?
156-015 is a PANEL,BLANK.
What parts can replace 156-015?
There are 11 known substitutes for 156-015: 2-401, 2401-50HM160W, 86-471 and 8 more. Substitute compatibility should be verified for your specific system.
Is 156-015 still available?
156-015 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