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64338A — ROLLER,BEARING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

64338A: ROLLER,BEARING.

The ROLLER,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OVERALL, overall_length: 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN, special_features: SET OF 14 ROLLERS IN WAXED STRIP, style_designator: NEEDLE ROLLER, CRANK PIN, rolling_element_diameter: 0.0623 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN, material_document_and_classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-768-8343, 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
64338A
NSN: 5310-00-768-8343
NIINs: 007688343, 010378779
FSC: 5310 — Nuts and Washers
CAGE: 00742 — AIR PRODUCTS & CHEMICALS, INC (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OVERALL
overall_length0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN
special_featuresSET OF 14 ROLLERS IN WAXED STRIP
style_designatorNEEDLE ROLLER, CRANK PIN
rolling_element_diameter0.0623 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-768-8343
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 64338A · 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: 1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 1 CL 1 OR CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
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THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
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MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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THREAD DIRECTION: RIGHT-HAND
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NOMINAL THREAD SIZE: 0.750 INCHES IN
•
NUT HEIGHT: 0.703 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 1 CL 1 OR CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.750 INCHES IN
NUT HEIGHT0.703 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
NUT STYLEHEXAGON
THREAD CLASS2B
SUBSTITUTES & CROSS-REFERENCES 2
112274Reference document
Same NSN cross-reference
Reference document — Secondary reference
FF-N-836E TY2 ST1 GR2Reference document
Same NSN cross-reference
Reference document — Identification 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 64338A?
64338A is a ROLLER,BEARING.
What parts can replace 64338A?
There are 2 known substitutes for 64338A: 112274, FF-N-836E TY2 ST1 GR2. Substitute compatibility should be verified for your specific system.
What is the NSN for 64338A?
64338A is cataloged in the U.S. Government catalog under NSN 5310-00-768-8343. 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.