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PartsTable / COMPONENT / A1338PC107
A1338PC107 ✓ 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 KEY,MACHINE is a the manufacturer industrial component. Key specifications include taper: 0.500 PER FOOT IN INCHES, material: STEEL OVERALL, taper_length: 0.154 INCHES NOMINAL IN, overall_width: 0.155 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN, overall_height: 0.155 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN, overall_length: 1.890 INCHES MINIMUM AND 1.930 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-281-7578, 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
A1338PC107
NSN: 5315-00-281-7578
FSC: 5315
CAGE: 71871 — ALFA LAVAL INC (USA)
SPECIFICATIONS
taper0.500 PER FOOT IN INCHES
materialSTEEL OVERALL
taper_length0.154 INCHES NOMINAL IN
overall_width0.155 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
overall_height0.155 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
overall_length1.890 INCHES MINIMUM AND 1.930 INCHES MAXIMUM IN
style_designatorTAPERED
starting_edge_shapeSTRAIGHT
NSN5315-00-281-7578
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A1338PC107 · 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
•
TAPER: 0.500 PER FOOT IN INCHES
•
STARTING EDGE SHAPE: STRAIGHT
•
TAPER LENGTH: 0.154 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: TAPERED
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.890 INCHES MINIMUM AND 1.930 INCHES MAXIMUM IN
TAPER0.500 PER FOOT IN INCHES
STARTING EDGE SHAPESTRAIGHT
OVERALL HEIGHT0.155 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
TAPER LENGTH0.154 INCHES NOMINAL IN
OVERALL WIDTH0.155 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORTAPERED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
19791Interchangeable
interchangeable cross-reference
interchangeable
54A50A8Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
LS1472Interchangeable
interchangeable cross-reference
interchangeable
ASTM B221Interchangeable
interchangeable cross-reference
interchangeable
304-0423-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1338PC107?
A1338PC107 is a KEY,MACHINE.
What parts can replace A1338PC107?
There are 25 known substitutes for A1338PC107: 19791, 54A50A8, AMS-QQ-A-200/3 and 22 more. Substitute compatibility should be verified for your specific system.
Is A1338PC107 still available?
A1338PC107 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