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101A138AB-1 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

101A138AB-1: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: ROUND, nut_diameter: 2.250 INCHES NOMINAL IN, thread_class: 3G G, nut_thickness: 1.062 INCHES NOMINAL IN, thread_series: ACME. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-419-3923, 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
101A138AB-1
NSN: 5310-01-419-3923
FSC: 5310 — Nuts and Washers
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleROUND
nut_diameter2.250 INCHES NOMINAL IN
thread_class3G G
nut_thickness1.062 INCHES NOMINAL IN
thread_seriesACME
thread_directionRIGHT-HAND
width_across_flats1.500 INCHES NOMINAL IN
nominal_thread_size1.000 INCHES IN
thread_quantity_per_inch5
NSN5310-01-419-3923
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 101A138AB-1 · 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: 1.500 INCHES NOMINAL IN
•
THREAD SERIES: ACME
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
NUT DIAMETER: 2.250 INCHES NOMINAL IN
•
NUT THICKNESS: 1.062 INCHES NOMINAL IN
•
NUT STYLE: ROUND
•
THREAD CLASS: 3G G
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.500 INCHES NOMINAL IN
THREAD SERIESACME
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.000 INCHES IN
NUT DIAMETER2.250 INCHES NOMINAL IN
NUT THICKNESS1.062 INCHES NOMINAL IN
NUT STYLEROUND
THREAD CLASS3G G
THREAD QUANTITY PER INCH5
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
509E817AA-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 101A138AB-1?
101A138AB-1 is a NUT,PLAIN,ROUND.
What parts can replace 101A138AB-1?
There is 1 known substitute for 101A138AB-1: 509E817AA-20. Substitute compatibility should be verified for your specific system.
What is the NSN for 101A138AB-1?
101A138AB-1 is cataloged in the U.S. Government catalog under NSN 5310-01-419-3923. 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.