PartsTable
Technical Data Sheet
280038-21 ✓ 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

VALVE,RELIEF,PRESSURE AND TEMPER. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, peripheral_diameter: 2.068 INCHES NOMINAL IN, center_hole_diameter: 1.852 INCHES MINIMUM AND 1.872 INCHES MAXIMUM IN, elongation_percentage: 160 MAXIMUM, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 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 4820-01-145-7868, 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
280038-21
NSN: 4820-01-145-7868
FSC: 4820
CAGE: 99657 — MAROTTA CONTROLS INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
peripheral_diameter2.068 INCHES NOMINAL IN
center_hole_diameter1.852 INCHES MINIMUM AND 1.872 INCHES MAXIMUM IN
elongation_percentage160 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
departure_from_cited_documentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
criticality_code_justificationZZZW
NSN4820-01-145-7868
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 280038-21 · 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
KEY FEATURES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATION: ZZZY
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
283371-0001ITEM90Interchangeable
interchangeable cross-reference
interchangeable
280038-21Interchangeable
interchangeable cross-reference
interchangeable
283371-0001Interchangeable
interchangeable cross-reference
interchangeable
5330PL0889550Interchangeable
interchangeable cross-reference
interchangeable
MS28775-134Interchangeable
interchangeable cross-reference
interchangeable
280038Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 280038-21?
280038-21 is a VALVE,RELIEF,PRESSURE AND TEMPER.
What parts can replace 280038-21?
There are 6 known substitutes for 280038-21: 283371-0001ITEM90, 280038-21, 283371-0001 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 280038-21?
280038-21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-145-7868. This indicates validated use in U.S. government and defense supply chains.
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