PartsTable
Technical Data Sheet
PartsTable / COMPONENT / K281-1-1
K281-1-1 ✓ 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 PARTS KIT,SAFETY RELIEF VALVE is a the manufacturer industrial component. Key specifications include supply_items_and_quantities: SPRING 2; SEAT 2. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-307-6148, 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
K281-1-1
NSN: 4820-01-307-6148
FSC: 4820
CAGE: 70667 — ATLAS VALVE CO (USA)
SPECIFICATIONS
component_quantity4
supply_items_and_quantitiesSPRING 2; SEAT 2
NSN4820-01-307-6148
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: K281-1-1 · 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
•
SUPPLY ITEMS AND QUANTITIES: SPRING 2; SEAT 2
•
COMPONENT QUANTITY: 4
TECHNICAL CHARACTERISTICS (FLIS)
SUPPLY ITEMS AND QUANTITIESSPRING 2; SEAT 2
COMPONENT QUANTITY4
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
33BInterchangeable
interchangeable cross-reference
interchangeable
28111Interchangeable
interchangeable cross-reference
interchangeable
33BNInterchangeable
interchangeable cross-reference
interchangeable
K39003Interchangeable
interchangeable cross-reference
interchangeable
212MS035P001Interchangeable
interchangeable cross-reference
interchangeable
39003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy K281-1-1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is K281-1-1?
K281-1-1 is a PARTS KIT,SAFETY RELIEF VALVE.
What parts can replace K281-1-1?
There are 11 known substitutes for K281-1-1: 33B, 28111, 33BN and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K281-1-1?
K281-1-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-307-6148. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — K281-1-1

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026