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Technical Data Sheet

34021S — Technical Data Sheet

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— · 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,SLOTTED,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SLOTTED, HEXAGON, nut_height: 0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNF, hardness_rating: 69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM. This part is cataloged in the Federal Logistics Information System under NSN 5310-00-813-1203, 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
34021S
NSN: 5310-00-813-1203
FSC: 5310
CAGE: 57526 — FORD MOTOR COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSLOTTED, HEXAGON
nut_height0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNF
hardness_rating69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
width_across_flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
nominal_thread_size0.500 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch20
nondefinitive_spec/std_data4 TYPE AND 16 STYLE AND B GRADE
NSN5310-00-813-1203
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 34021S · 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
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
HARDNESS RATING: 69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
THREAD SERIES: UNF
•
THREAD QUANTITY PER INCH: 20
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
MATERIAL: STEEL OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 4 TYPE AND 16 STYLE AND B GRADE
•
NUT STYLE: SLOTTED, HEXAGON
TECHNICAL CHARACTERISTICS
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
HARDNESS RATING69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM
THREAD SERIESUNF
THREAD QUANTITY PER INCH20
NOMINAL THREAD SIZE0.500 INCHES IN
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATA4 TYPE AND 16 STYLE AND B GRADE
NUT STYLESLOTTED, HEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
122761InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
82401DSPC27InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
934D5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B122761InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
295-5KOHMSPORM10PCTInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
224L1-402InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 34021S?
34021S is a NUT,PLAIN,SLOTTED,HEXAGON.
What parts can replace 34021S?
There are 14 known substitutes for 34021S: 122761, 82401DSPC27, 934D5 and 11 more. Substitute compatibility should be verified for your specific system.
Is 34021S still available?
34021S is currently cancelled.
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