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Technical Data Sheet
PartsTable / COMPONENT / 503881
503881 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include special_features: 5-STATION; PROVIDES THE PATHWAYS FOR THE HYDRAULIC FLUID TO BE DIVERTED BY THE CONTROL VALVES, end_item_identification: 600 REGENERATIVE AIR SYSTEM STREET AND AIRFIELD RUNWAY SWEEPER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-282-7647, 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
503881
NSN: 5305-00-282-7647
FSC: 5305
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
special_features5-STATION; PROVIDES THE PATHWAYS FOR THE HYDRAULIC FLUID TO BE DIVERTED BY THE CONTROL VALVES
end_item_identification600 REGENERATIVE AIR SYSTEM STREET AND AIRFIELD RUNWAY SWEEPER
NSN5305-00-282-7647
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 503881 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES DESIGNATOR: UNF
•
MATERIAL: STEEL COMP 317 OVERALL
•
NOMINAL THREAD DIAMETER: 0.086 INCHES IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
THREAD CLASS: 2A A
•
THREAD LENGTH: 0.157 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
MATERIALSTEEL COMP 317 OVERALL
NOMINAL THREAD DIAMETER0.086 INCHES IN
HEAD STYLEHEADLESS (SETSCREW)
THREAD CLASS2A A
THREAD LENGTH0.157 INCHES MINIMUM IN
THREAD QUANTITY PER INCH64
POINT STYLEFLAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
T1001Interchangeable
interchangeable cross-reference
interchangeable
TB816Interchangeable
interchangeable cross-reference
interchangeable
TWS1Interchangeable
interchangeable cross-reference
interchangeable
503881Interchangeable
interchangeable cross-reference
interchangeable
503012Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503881?
503881 is a BEARING,WASHER,THRUST.
What parts can replace 503881?
There are 5 known substitutes for 503881: T1001, TB816, TWS1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 503881?
503881 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-282-7647. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026