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1229B4838 — WASHER,SEAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1229B4838: WASHER,SEAL.

The WASHER,SEAL is a the manufacturer industrial component. Key specifications include hole_diameter: 1.470 INCHES NOMINAL IN, outside_diameter: 1.950 INCHES NOMINAL IN, end_item_identification: 6115-01-572-3944, part_name_assigned_by_controlling_agency: WASHER,SEAL RETAINER. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-583-9012, 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
1229B4838
NSN: 5310-01-583-9012
FSC: 5310 — Nuts and Washers
CAGE: 64829 — ARVINMERITOR INC (USA)
SPECIFICATIONS
hole_diameter1.470 INCHES NOMINAL IN
outside_diameter1.950 INCHES NOMINAL IN
end_item_identification6115-01-572-3944
part_name_assigned_by_controlling_agencyWASHER,SEAL RETAINER
NSN5310-01-583-9012
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1229B4838 · 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
•
OUTSIDE DIAMETER: 1.950 INCHES NOMINAL IN
•
HOLE DIAMETER: 1.470 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.950 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,SEAL RETAINER
END ITEM IDENTIFICATION6115-01-572-3944
HOLE DIAMETER1.470 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
1003980Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 1229B4838?
1229B4838 is a WASHER,SEAL.
What parts can replace 1229B4838?
There is 1 known substitute for 1229B4838: 1003980. Substitute compatibility should be verified for your specific system.
What is the NSN for 1229B4838?
1229B4838 is cataloged in the U.S. Government catalog under NSN 5310-01-583-9012. 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.