Boss Nipple

NSN: 4730-00-702-5377 | Model: AS21902

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

4730-00-702-5377

DEMIL

Thread Class

3a all ends

Connection Style

External seat for gasket seal (boss) all ends

Connection Type

Threaded external boss all ends

Thread Size

0.438 inches all ends

Nominallength

1.062 inches

Material

Steel comp 304

Material Specification

Qq-s-763, class 304, cond a federal specification single material response

Surface Treatment

Passivate

Style Designator

Flareless w/ center wrenching facility

Thread Series Designator

Unjf all ends

Specification Data

96906-ms21902 government standard

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE4A718T377F	2018-06-13	GPD45	1991 EA
SPE4A718T199G	2018-04-11	GPD45	1460 EA
SPE4A718T132Z	2018-03-16	GPD45	785 EA
SPE4A717TQ721	2017-09-15	GPP83	3294 EA
SPE7M317T2951	2017-03-13	PMCM4	696 EA
SPE7M115TX931	2015-08-17	c0116	895 EA

Inventory Check

The last inventory check on this NSN was done on 05/22/2024. Due to rapid changes in inventory this may not be the current stock qty.

New: 7155
New Surplus: 96
Serviceable: 4
As Removed: 4
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 4730-00-702-5377 Datasheet

Supply Class (FSC):

Railing Fittings Lubrication Tube Pipe Hose

Cross Reference:

AS21902
AS4841
8317X4
MS21902J4
MS21902J4
8317X4
10086154
AS21902J4

Cage Codes:

Society Of Automotive Engineers Inc (CAGE 81343)
Aeroquip Inc Eaton (CAGE 01276)
Military Standards (CAGE 96906)
Dana Corp (CAGE 79470)
Nimikkeistokeskus Ncb Finland (CAGE A486G)

Replacements:

4730-00-702-5377 replaces 4730-00-808-5244
4730-00-702-5377 replaces 4730-00-837-0987

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 $16.48 to $27.47..
Does NSN 4730-00-702-5377 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, Bureau Of Mines, Finland, Lithuania, Poland, Romania, Czech Republic, Brazil, Spain, Columbia, Israel, Singapore, Malaysia, Australia, Belgium, Canada, South Africa, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Netherlands, Portugal, Italy, Denmark, Norway, Greece, Turkey, and Nato Maintenance and Supply Agency
What is the NIIN of NSN 4730-00-702-5377?
007025377 or 00-702-5377
Does NSN 4730-00-702-5377 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-00-702-5377?
Solicitation SPE4A718T377F for qty 1991 on 06/06/2018
When was this national stock number assigned to the federal catalog?
Jan 01, 1961