PartsTable
Technical Data Sheet
PartsTable / COMPONENT / A51E9101-1
A51E9101-1 ✓ 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 VALVE,RELIEF is a the manufacturer industrial component. Key specifications include overall_width: 2.500 INCHES NOMINAL IN, overall_height: 3.250 INCHES NOMINAL IN, overall_length: 5.219 INCHES NOMINAL IN, end_item_identification: USED W/RF POWER METER P/N 4421. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-004-7029, 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
A51E9101-1
NSN: 4820-00-004-7029
FSC: 4820
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
overall_width2.500 INCHES NOMINAL IN
overall_height3.250 INCHES NOMINAL IN
overall_length5.219 INCHES NOMINAL IN
special_featuresFREQUENCY RANGE RATING IS 25.0 TO 1000.0MEGAHERTZ; BATTERY CASE IS NOT PROVIDED; UNPACKAGED UNIT WEIGHT IS 1.690 POUNDS; PART NAME ASSIGNED BY CONTROLLING AGENCY IS RADIO FREQUENCY POWER SENSOR LBS
end_item_identificationUSED W/RF POWER METER P/N 4421
NSN4820-00-004-7029
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A51E9101-1 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
6625PL0739707Interchangeable
interchangeable cross-reference
interchangeable
4022-001Interchangeable
interchangeable cross-reference
interchangeable
4022Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy A51E9101-1?
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 A51E9101-1?
A51E9101-1 is a VALVE,RELIEF.
What parts can replace A51E9101-1?
There are 3 known substitutes for A51E9101-1: 6625PL0739707, 4022-001, 4022. Substitute compatibility should be verified for your specific system.
What is the NSN for A51E9101-1?
A51E9101-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-004-7029. 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 — A51E9101-1

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