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PartsTable / COMPONENT / 1021-334
1021-334 ✓ Verified by PartsTable
3M · 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 BODY ASSY,FUEL PUMP is a 3M industrial component. Key specifications include inside_diameter: 0.625 INCHES NOMINAL IN, outside_diameter: 0.906 INCHES NOMINAL IN, end_item_identification: MODEL TDJ110SC WATERJET, cross-sectional_shape_style: ROUND, measuring_method_and_length: 36.000 INCHES NOMINAL OVERALL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-882-1686, 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
1021-334
NSN: 5310-00-882-1686
FSC: 5310
CAGE: 10137 — SZEMCO INC (USA)
SPECIFICATIONS
inside_diameter0.625 INCHES NOMINAL IN
outside_diameter0.906 INCHES NOMINAL IN
end_item_identificationMODEL TDJ110SC WATERJET
cross-sectional_shape_styleROUND
measuring_method_and_length36.000 INCHES NOMINAL OVERALL IN
NSN5310-00-882-1686
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1021-334 · 3M ⚠ 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 1.234 INCHES NOMINAL IN
•
MATERIAL: CORK OVERALL
•
THICKNESS: 0.250 INCHES NOMINAL IN
•
OVERALL DIAMETER: 1.875 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER1.234 INCHES NOMINAL IN
MATERIALCORK OVERALL
THICKNESS0.250 INCHES NOMINAL IN
OVERALL DIAMETER1.875 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
102-1334Interchangeable
interchangeable cross-reference
interchangeable
18-530Interchangeable
interchangeable cross-reference
interchangeable
DH75699Interchangeable
interchangeable cross-reference
interchangeable
HL42543Interchangeable
interchangeable cross-reference
interchangeable
ST5M1473-11-35PInterchangeable
interchangeable cross-reference
interchangeable
S8202H11B35PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1021-334?
1021-334 is a BODY ASSY,FUEL PUMP manufactured by 3M.
What parts can replace 1021-334?
There are 12 known substitutes for 1021-334: 102-1334, 18-530, DH75699 and 9 more. Substitute compatibility should be verified for your specific system.
Is 1021-334 still available?
1021-334 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026