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PartsTable / COMPONENT / 749873-103
749873-103 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, body_style: TUBE TYPE, body_width: 0.130 INCHES MAXIMUM IN, bore_shape: STRAIGHT, body_height: 0.260 INCHES MAXIMUM IN, body_length: 0.260 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 4820-01-274-0301, 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
749873-103
NSN: 4820-01-274-0301
FSC: 4820
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
body_styleTUBE TYPE
body_width0.130 INCHES MAXIMUM IN
bore_shapeSTRAIGHT
body_height0.260 INCHES MAXIMUM IN
body_length0.260 INCHES MAXIMUM IN
swage_depth0.090 INCHES IN
body_diameter0.438 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
bore_diameter0.2500 INCHES NOMINAL IN
cubic_measure1.463 CUBIC INCHES
overall_width0.1960 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
NSN4820-01-274-0301
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 749873-103 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
70028Interchangeable
interchangeable cross-reference
interchangeable
70028-000Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-26/1Interchangeable
interchangeable cross-reference
interchangeable
28061-6R25Interchangeable
interchangeable cross-reference
interchangeable
572981Interchangeable
interchangeable cross-reference
interchangeable
10-912-2-05Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 749873-103?
749873-103 is a RESISTOR,FIXED,WIRE WOUND.
What parts can replace 749873-103?
There are 17 known substitutes for 749873-103: 70028, 70028-000, MIL-R-26/1 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 749873-103?
749873-103 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-274-0301. 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