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101A427AC1 — 101A427AC1

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

101A427AC1: 101A427AC1.

The 101A427AC1 is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485, thread_class: 2A STUD THREAD A, thread_length: 0.281 INCHES NOMINAL NUT THREAD IN, overall_length: 2.500 INCHES NOMINAL IN, shoulder_length: 0.438 INCHES NOMINAL IN, style_designator: SHOULDERED AND STEPPED. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-155-7229, 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
101A427AC1
NSN: 5315-01-155-7229
NIINs: 011557229, 012110767
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialCOPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485
thread_class2A STUD THREAD A
thread_length0.281 INCHES NOMINAL NUT THREAD IN
overall_length2.500 INCHES NOMINAL IN
shoulder_length0.438 INCHES NOMINAL IN
style_designatorSHOULDERED AND STEPPED
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.375 INCHES STUD THREAD IN
nut_end_shank_length0.969 INCHES NOMINAL IN
distance_across_flats0.375 INCHES NOMINAL IN
stud_end_shank_length0.219 INCHES NOMINAL IN
nut_end_shank_diameter0.497 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN
NSN5315-01-155-7229
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 101A427AC1 · 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
SUBSTITUTES & CROSS-REFERENCES 3
101A427ACP1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
501E457AA PIECE 39Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
101A427AC PIECE 1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 101A427AC1?
101A427AC1 is a 101A427AC1.
What parts can replace 101A427AC1?
There are 3 known substitutes for 101A427AC1: 101A427ACP1, 501E457AA PIECE 39, 101A427AC PIECE 1. Substitute compatibility should be verified for your specific system.
What is the NSN for 101A427AC1?
101A427AC1 is cataloged in the U.S. Government catalog under NSN 5315-01-155-7229. 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.