Home · NSN 01-185-9561

NSN 01-185-9561 — Valve,Check

NIIN 01-185-9561 · unit of issue EA · AAC V (terminal item, no replacement) · source of supply FHZ

NSN 01-185-9561 is the national stock number for a valve,check. It cross-references to 3 manufacturer part numbers from 2 CAGE codes, including Allen Aircraft Products Inc, Eaton Corporation; the primary is 48C139. The federal catalog ties it to the B-1B Lancer. The unit of issue is EA and the FLIS list price is $2,750.30.

No government purchase of this stock number is on our record yet. 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.

part numbers from 2 CAGEs

open solicitations, all agencies

government buys in 24 months

sellers with confirmed stock

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Cross-references

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

Part number	CAGE	Manufacturer	Reference	Variation
48C189	82829	Allen Aircraft Products Inc	3 · Design control (vendor)	2 · Fully interchangeable
48C139	82829	Allen Aircraft Products Inc	5 · Secondary reference	9 · Reference only
60590	86090	Eaton Corporation	5 · Secondary reference	9 · Reference only

Government demand

Nothing open right now. Watch this NSN and we will email you when it is solicited.

What the government paid

No government purchase on record for this NSN.

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices.

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 48C139.

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

DLA management data

FLIS unit price: $2,750.30
Net price: $2,314.89
Unit of issue: EA
Acquisition advice: V — Terminal item, no replacement
Source of supply: FHZ
Effective: Oct 1, 2026

Item characteristics

Flow Control Device: SLIDE
End Item Identification: B-1B
Valve Operation Method: AUTOMATIC
Flange Shape: ALL ENDS ROUND
Connection Type: ALL ENDS FLANGE
Mounting Position: VERTICAL
Nominal Outside Diameter: ALL ENDS INCHES 3.313
Nominal Thickness: ALL ENDS INCHES 0.085
Flange Face Design: ALL ENDS PLAIN
Special Features: THRU-FLOW, PRESSURE ACTIVIATED, SHUT OFF VALVE
Material: BODY ALUMINUM ALLOY 356.0
Material: FLOW CONTROL DEVICE ALUMINUM ALLOY 380.0
Material: PACKING RUBBER FLUOROSILICONE CLASS FQ
Material: STEM ALUMINUM ALLOY 380.0
Material: SEAT ALUMINUM ALLOY 6061
Material: BODY LINING ALUMINUM ALLOY 356.0
Material: OVERALL ALUMINUM ALLOY
Fsc Application Data: FUEL SYSTEM, AIRCRAFT, CENTER FUSELAGE, WING ROOT TANK

Related stock numbers

Other NSNs filed under the same part numbers.

00-135-3124 · Switch,Thermostatic
00-950-1875 · Gear Set,Blower

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.