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Technical Data Sheet
PartsTable / COMPONENT / 103081
103081 ✓ 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 VALVE,MODULATING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.453 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN, housing_bore_diameter: 3.1875 INCHES MINIMUM AND 3.1905 INCHES MAXIMUM IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 2.117 INCHES MINIMUM AND 2.124 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-448-2104, 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
103081
NSN: 5305-00-448-2104
FSC: 5305
CAGE: 70408 — AT AND T CORP (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.453 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
housing_bore_diameter3.1875 INCHES MINIMUM AND 3.1905 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter2.117 INCHES MINIMUM AND 2.124 INCHES MAXIMUM IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5305-00-448-2104
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 103081 · 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
•
SCREW SURFACE TREATMENT: NICKEL
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD STYLE: FLAT CHAMFER
•
THREAD CLASS: 2A A
•
THREAD LENGTH: 0.500 INCHES MINIMUM IN
•
SCREW MATERIAL: STEEL
•
HEAD DIAMETER: 0.375 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SCREW SURFACE TREATMENTNICKEL
THREAD DIRECTIONRIGHT-HAND
HEAD STYLEFLAT CHAMFER
THREAD CLASS2A A
THREAD LENGTH0.500 INCHES MINIMUM IN
SCREW MATERIALSTEEL
HEAD DIAMETER0.375 INCHES NOMINAL IN
FASTENER LENGTH0.500 INCHES NOMINAL IN
THREAD QUANTITY PER INCH20
INTERNAL DRIVE STYLESLOT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
283932Interchangeable
interchangeable cross-reference
interchangeable
EE36239Interchangeable
interchangeable cross-reference
interchangeable
CA20958AInterchangeable
interchangeable cross-reference
interchangeable
49738Interchangeable
interchangeable cross-reference
interchangeable
888255Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 103081?
103081 is a VALVE,MODULATING.
What parts can replace 103081?
There are 5 known substitutes for 103081: 283932, EE36239, CA20958A and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 103081?
103081 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-448-2104. 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