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F-0428-3 — PUMP,ROTARY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

F-0428-3: PUMP,ROTARY.

The PUMP,ROTARY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, nut_style: CLINCH, nut_height: 0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNF, pilot_diameter: 0.340 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-099-7981, 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
F-0428-3
NSN: 5310-01-099-7981
NIINs: 010997981, 014189827
FSC: 5310 — Nuts and Washers
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
nut_styleCLINCH
nut_height0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNF
pilot_diameter0.340 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.375 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch28
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-099-7981
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: F-0428-3 · 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: 0.375 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
PILOT DIAMETER: 0.340 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
•
NUT HEIGHT: 0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
PILOT DIAMETER0.340 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
NUT HEIGHT0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
NUT STYLECLINCH
SUBSTITUTES & CROSS-REFERENCES 5
MIL-N-45938/4Reference document
Same NSN cross-reference
Reference document — Identification reference
10327-016Reference document
Same NSN cross-reference
Reference document — Secondary reference
F-428-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
P628N-(0.125)-FReference document
Same NSN cross-reference
Reference document — Secondary reference
M45938/4-11Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is F-0428-3?
F-0428-3 is a PUMP,ROTARY.
What parts can replace F-0428-3?
There are 5 known substitutes for F-0428-3: MIL-N-45938/4, 10327-016, F-428-3 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F-0428-3?
F-0428-3 is cataloged in the U.S. Government catalog under NSN 5310-01-099-7981. This indicates validated use in U.S. government and defense supply chains.
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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.