Home · FSC 4730 Hose, Pipe, Tube, Lubrication, And Railing Fittings · NSN 4730-00-640-6835

NSN 4730-00-640-6835 — Flange,Pipe

NIIN 00-640-6835 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 4730-00-640-6835 is the national stock number for a flange,pipe in federal supply class 4730 (Hose, Pipe, Tube, Lubrication, And Railing Fittings). It cross-references to 4 manufacturer part numbers from 6 CAGE codes, including Dla Weapons Support (Columbus) Dba Dla Vendor Item Drawing (Vid) Div Document Standardization Division (Va), Naval Ship Systems Command, Milwaukee Valve Company, LLC; the primary is B176. The unit of issue is EA and the FLIS list price is $153.09.

No government purchase of this stock number is on our record yet. 1 solicitation is open right now, the soonest due October 19, 2026 for 55 . No seller has confirmed stock of it here in the last 30 days; watching the number is free and the first listing triggers an alert.

4

part numbers from 6 CAGEs

1

open solicitation, all agencies

0

government buys in 24 months

0

sellers with confirmed stock

Watch NSN 4730-00-640-6835: an email the morning the government solicits or buys it, or an AD names it. Free.
Know someone who should see this?

Cross-references

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

Part numberCAGEManufacturerReferenceVariation
CS4730-0108A029DJ16236Dla Weapons Support (Columbus) Dba Dla Vendor Item Drawing (Vid) Div Document Standardization Division (Va)3 · Design control (vendor)2 · Fully interchangeable
B17680064Naval Ship Systems Command5 · Secondary reference9 · Reference only
CS4730-0108A029DJ76364Milwaukee Valve Company, LLC5 · Secondary reference2 · Fully interchangeable
CS4730-0108A029DJ71905Derbyshire Machine & Tool Co5 · Secondary reference2 · Fully interchangeable
CS4730-0108A029DJ72423Flagg Stanley G & Co Inc Dba Flagg Brass5 · Secondary reference2 · Fully interchangeable
MILF2004281349Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M5 · Secondary reference9 · Reference only
CS4730-010816236Dla Weapons Support (Columbus) Dba Dla Vendor Item Drawing (Vid) Div Document Standardization Division (Va)D9 · Reference only

Government demand

Open DLA RFQs (DIBBS)

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 B176.

Request B176

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
$153.09
Unit of issue
EA
Acquisition advice
D — Stocked, centrally managed (DLA)
Source of supply
SMS
Effective
Oct 1, 2026

Item characteristics

Bolt Circle Diameter
INCHES NOMINAL 3.938
Flange Diameter
INCHES NOMINAL 5.062
Thickness
INCHES NOMINAL 0.438
Socket Diameter
INCHES NOMINAL 1.900
Tube Outside Diameter For Which Designed
INCHES NOMINAL 1.900
Bolt Hole Quantity
6
Bolt Hole Diameter
INCHES NOMINAL 0.562
Neck Height
INCHES NOMINAL 0.938
Face Seating Surface Condition
MACHINED
Maximum Operating Temp And Media For Which Designed
FAHRENHEIT GAS 425.0 AND FAHRENHEIT OIL 425.0 AND FAHRENHEIT STEAM 425.0 AND FAHRENHEIT WATER 425.0
Material
COPPER
Operating Pressure And Type
LOCATION NOT OTHERWISE SPECIFIED POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED 150.0 AND POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED 150.0 AND POUNDS PER SQUARE INCH (PSI) STEAM M
Supplementary Features
BRAZING RING IS NOT TO BE INSERTED IN GROOVE BUT PACKAGE SEPARATELY AND EITHER INCLUDED WITHIN THE PARENT COMPONENT PACKAGE OR PHYSICALLY ATTACHED TO PARENT COMPONENT.
Nondefinitive Spec/Std Data
TYPE R

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.

Get the daily Market Pulse

New DLA RFQs, SAM.gov notices, yesterday's awards and FAA directives, weekday mornings. Free, one click to leave.