Boss Nipple

NSN: 4730-01-022-4442 | Model: MS21900-4C

A straight, one-piece fitting used to join two bosses or boss fittings. Both ends are the same size and have external machine threads (straignt threads other than pipe or hose series). It is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. The center section may be suitably shaped to accommodate a wrench.

NSN Properties and Flags

NATO Stock Number

4730-01-022-4442

DEMIL

Thread Class

3a all ends

Maximum Operating Temp

135.0 degrees celsius single response

Connection Style

Flared w/ gasket seal (boss) 1st end

Connection Type

Threaded external boss all ends

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.438 inches all ends

Nominallength

1.187 inches

Material

Steel comp 304

Material Specification

Qq-s-763 federal specification single material response

Surface Treatment

Passivate outside

Surface Treatment Specification

Mil-s-5002 military specification single treatment response inside

Style Designator

Flared and flareless w/ center wrenching facility

Thread Series Designator

Unjf all ends

Specification Data

96906-ms21900 government standard

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE7M419T2573	2018-12-14	PMCMD	300 PG
SPE7M317Q0354	2017-02-28	PMCM1	122 PG

Inventory Check

The last inventory check on this NSN was done on 02/28/2024. Due to rapid changes in inventory this may not be the current stock qty.

New Surplus: 613
New: 617
As Removed: 1
Serviceable: 1
Overhauled: 1

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 4730-01-022-4442 Datasheet

Supply Class (FSC):

Railing Fittings Lubrication Tube Pipe Hose

Cross Reference:

MS21900-4C
MS21900-4J
AS18280
AS21900
MS21900J4
MS21900J4
4730004076524
AS19200
AS21900-4J

Cage Codes:

Military Standards (CAGE 96906)
Society Of Automotive Engineers Inc (CAGE 81343)
E.c.a Etablissement (CAGE SCY13)

Replacements:

4730-01-022-4442 replaces 4730-00-407-6524

Schedule B & Trade:

Schedule B: 7307994000 (NAICS 332919)

Other fittings nesoi of alloy steel not stainless
SITC: 67959

Iron and steel tube and pipe fittings, n.E.S.
End Use: 12110

Iron and steel products, other

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:

NMFC:

052190 - Pipe, tubing, or pipe or tubing fitti
WCC:

576 - Metal and metal products, nos, (less than 35 feet)
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC:

B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
LTL:

W - Rating variable
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
D
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
J2200x-
Repariability
This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $26.33 to $43.88..
Does NSN 4730-01-022-4442 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Department Of The Air Force, U.s. Marine Corps, Department Of The Navy, National Aeronautics and Space Administration, Brazil, Spain, Morocco, Australia, Canada, France, Germany, Republic Of Korea, United Kingdom, and Greece
What is the NIIN of NSN 4730-01-022-4442?
010224442 or 01-022-4442
Does NSN 4730-01-022-4442 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-01-022-4442?
Solicitation SPE7M419T2573 for qty 300 on 12/04/2018
When was this national stock number assigned to the federal catalog?
May 29, 1976