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Technical Data Sheet
PartsTable / MRO / 30-0157
30-0157 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 FUSEHOLDER,EXTRACTOR POST is a the manufacturer industrial component. Key specifications include width: 1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN, material: COPPER FIRST MORTISE, nut_style: HEXAGON, body_shape: OVAL, body_style: BUSHING MOUNTED TYPE, nut_height: 0.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-358-6115, 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→ 30-0157
NSN: 5310-00-358-6115
FSC: 5310
CAGE: 94233 — CROFTON CO (USA)
SPECIFICATIONS
width1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN
materialCOPPER FIRST MORTISE
nut_styleHEXAGON
body_shapeOVAL
body_styleBUSHING MOUNTED TYPE
nut_height0.250 INCHES NOMINAL IN
design_typeDRY
cap_diameter0.688 INCHES NOMINAL IN
coolant_typeAIR
thread_class2B
closed_length21.970 INCHES MINIMUM AND 22.030 INCHES MAXIMUM IN
overall_width6.000 INCHES NOMINAL IN
NSN5310-00-358-6115
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 30-0157 · 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 HEIGHT: 0.250 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 20
•
THREAD SERIES: UNF
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
BEARING SURFACE TYPE: WASHER FACED
•
THREAD CLASS: 2B
•
WIDTH ACROSS FLATS: 0.750 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.250 INCHES NOMINAL IN
THREAD QUANTITY PER INCH20
THREAD SERIESUNF
NOMINAL THREAD SIZE0.500 INCHES IN
BEARING SURFACE TYPEWASHER FACED
THREAD CLASS2B
WIDTH ACROSS FLATS0.750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NUT STYLEHEXAGON
MATERIALSTEEL COMP 1212 OR STEEL COMP 1213 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
69427Interchangeable
interchangeable cross-reference
interchangeable
300157Interchangeable
interchangeable cross-reference
interchangeable
7870-AInterchangeable
interchangeable cross-reference
interchangeable
2539Interchangeable
interchangeable cross-reference
interchangeable
006298Interchangeable
interchangeable cross-reference
interchangeable
F591-112Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30-0157?
30-0157 is a FUSEHOLDER,EXTRACTOR POST. It is classified as a MRO (MRO_GENERAL).
What parts can replace 30-0157?
There are 13 known substitutes for 30-0157: 69427, 300157, 7870-A and 10 more. Substitute compatibility should be verified for your specific system.
Is 30-0157 still available?
30-0157 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