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101048H ✓ 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 NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.359 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-021-8570, 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
101048H
NSN: 5310-00-021-8570
FSC: 5310
CAGE: 31007 — NAVISTAR INTERNATIONAL CORPORATION DBA NAVISTAR (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.359 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats0.750 INCHES NOMINAL IN
nominal_thread_size0.437 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch20
nondefinitive_spec/std_dataA TYPE
departure_from_cited_documentAS MODIFIED BY HGT
NSN5310-00-021-8570
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 101048H · 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: 0.750 INCHES NOMINAL IN
•
NUT STYLE: HEXAGON
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
THREAD SERIES: UNF
•
THREAD QUANTITY PER INCH: 20
•
NOMINAL THREAD SIZE: 0.437 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY HGT
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS0.750 INCHES NOMINAL IN
NUT STYLEHEXAGON
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD SERIESUNF
THREAD QUANTITY PER INCH20
NOMINAL THREAD SIZE0.437 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY HGT
NONDEFINITIVE SPEC/STD DATAA TYPE
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
FFH111-1212Interchangeable
interchangeable cross-reference
interchangeable
2904Interchangeable
interchangeable cross-reference
interchangeable
FF-H-111Interchangeable
interchangeable cross-reference
interchangeable
W-F-408-1-2-L-1-03-SInterchangeable
interchangeable cross-reference
interchangeable
5321Interchangeable
interchangeable cross-reference
interchangeable
NAS290-4ANG25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 101048H?
101048H is a NUT,PLAIN,HEXAGON.
What parts can replace 101048H?
There are 30 known substitutes for 101048H: FFH111-1212, 2904, FF-H-111 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 101048H?
101048H is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-021-8570. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026