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Technical Data Sheet
4049337 ✓ 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 PUMP,FUEL,CAM ACTUATED is a the manufacturer industrial component. Key specifications include material: PLASTIC SILICONE OVERALL, thickness: 0.016 INCHES NOMINAL IN, fuel_filter: NOT INCLUDED, hole_diameter: 0.089 INCHES NOMINAL IN, drain_facility: NOT INCLUDED, vacuum_booster: NOT INCLUDED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-022-0347, 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
4049337
NSN: 5310-01-022-0347
FSC: 5310
CAGE: 81982 — HYDRO-AIRE AEROSPACE CORP (USA)
SPECIFICATIONS
materialPLASTIC SILICONE OVERALL
thickness0.016 INCHES NOMINAL IN
fuel_filterNOT INCLUDED
hole_diameter0.089 INCHES NOMINAL IN
drain_facilityNOT INCLUDED
vacuum_boosterNOT INCLUDED
overall_diameter0.250 INCHES NOMINAL IN
special_featuresUSED IN CONTROL BOX OF ANTI-SKID SYSTEM IN MLG OF B-52
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-P-997 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-022-0347
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4049337 · 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
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-997 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER: 0.089 INCHES NOMINAL IN
MATERIAL: PLASTIC SILICONE OVERALL
PERIPHERAL SHAPE STYLE: ROUND
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
CENTER HOLE SHAPE STYLE: ROUND
OVERALL DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-997 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER0.089 INCHES NOMINAL IN
MATERIALPLASTIC SILICONE OVERALL
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER0.250 INCHES NOMINAL IN
SPECIAL FEATURESUSED IN CONTROL BOX OF ANTI-SKID SYSTEM IN MLG OF B-52
THICKNESS0.016 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
55420Interchangeable
interchangeable cross-reference
interchangeable
4131161Interchangeable
interchangeable cross-reference
interchangeable
M60011Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4049337?
4049337 is a PUMP,FUEL,CAM ACTUATED.
What parts can replace 4049337?
There are 3 known substitutes for 4049337: 55420, 4131161, M60011. Substitute compatibility should be verified for your specific system.
What is the NSN for 4049337?
4049337 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-022-0347. This indicates validated use in U.S. government and defense supply chains.
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