Home · FSC 4820 Valves, Nonpowered · NSN 4820-01-346-4650

NSN 4820-01-346-4650 — Valve,Check

NIIN 01-346-4650 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 4820-01-346-4650 is the national stock number for a valve,check in federal supply class 4820 (Valves, Nonpowered). It cross-references to 4 manufacturer part numbers from 5 CAGE codes, including Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M, Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M, Lockheed Martin Corp; the primary is 4820PL1289894. The unit of issue is EA and the FLIS list price is $662.63.

The U.S. government has bought this item 12 times on record, 1 of them in the last 24 months, most recently on August 26, 2026 at $759.76 each from Transaero, Inc.. The median unit price paid over 36 months is $475.00. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.

4

part numbers from 5 CAGEs

0

open solicitations, all agencies

1

government buy in 24 months · median $475.00

0

sellers with confirmed stock

Watch NSN 4820-01-346-4650: an email the morning the government solicits or buys it, or an AD names it. Free.
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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part numberCAGEManufacturerReferenceVariation
MS28892-10SS96906Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M2 · Item ident. reference2 · Fully interchangeable
MIL-V-1906981349Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M41 · Not fully interchangeable
GHN10285-298897Lockheed Martin Corp5 · Secondary reference2 · Fully interchangeable
MS28892-10SS74703Lockheed Martin Aeronautical Systems Support Company Dba Lmassc5 · Secondary reference1 · Not fully interchangeable
4820PL12898949009HJednolity Indeks Materialowy - Uniform Material Index69 · Reference only

Government demand

Nothing open right now. Last government buy Aug 26, 2026. Watch this NSN and we will email you when it is solicited.

What the government paid

DateVendorQtyUnit costAmountBuyerReference
Aug 26, 2026Transaero, Inc. 2754165$759.76DlaSPE7MC26V4165
Jun 17, 2024Transaero, Inc. 2754114$475.00DlaSPE7M324V3005
Feb 20, 2024Transaero, Inc. 2754121$475.00DlaSPE7M024V2675
Mar 17, 2023Transaero, Inc. 275417$396.30DlaSPE7MC23P1520
Mar 17, 2023Transaero, Inc. 2754116$396.30DlaSPE7MC23P1519
Mar 17, 2023Transaero, Inc. 27541103$396.30DlaSPE7MC23P1515
Oct 20, 2022Transaero, Inc. 275414$512.35DlaSPE7MC23V0443
Nov 1, 2016Transaero, Inc. 2754142$351.85DlaSPE7MC17P0571
Aug 2, 2016Transaero, Inc. 2754131$351.85DlaSPE7M016VD945
Apr 19, 2016Transaero, Inc. 2754150$350.65DlaSPE7M016V9516
Apr 17, 2014Transaero, Inc. 2754155$254.27DlaSPE7MC14M5649
Dec 20, 2013Transaero, Inc. 2754114$280.00DlaSPE7MC14M2026

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 12 buys on record in total.

Sellers with confirmed stock

No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on 4820PL1289894.

Request 4820PL1289894

No account needed. Goes to the sellers who carry this number or its family.

Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price
$662.63
Unit of issue
EA
Acquisition advice
D — Stocked, centrally managed (DLA)
Source of supply
SMS
Effective
Oct 1, 2025

Item characteristics

Thread Class
3A
Thread Direction
ALL ENDS RIGHT-HAND
Flow Control Device
DISK
Disk Loading Method
SPRING
Valve Operation Method
AUTOMATIC
Connection Type
ALL ENDS THREADED EXTERNAL TUBE
Mounting Position
VERTICAL
Thread Quantity Per Inch
14
Nominal Thread Size
ALL ENDS INCHES 0.875
Operating Pressure
SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 3000.0
Seat Angle
ALL ENDS DEGREES 24.0
Material
BODY STEEL CORROSION RESISTING
Media For Which Designed
SINGLE RESPONSE FUEL/OIL, HYDROCARBON
Thread Series Designator
ALL ENDS UNIFIED NATIONAL JOINT (UNJ)

Related stock numbers

Other NSNs filed under the same part numbers.

About this page

An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.

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