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FSG 47 - Pipe, Tubing, Hose, and Fittings
FSC 4730 - Hose, Pipe, Tube, Lubrication and Railing Fittings
NSN 4730-00-001-1681

4730-00-001-1681

NIIN 00-001-1681 - Tube Lateral

NSN 4730-00-001-1681 Classification

A fitting having three connections with the branch connection fixed at various angles other than 90 degrees (1.5705 radians) to the run to permit tubes or tube fittings to be taken off laterally from the main line. It may have side inlet(s).

plain (tube) all ends connection style, aircraft, tomcat f-14a end item identification, 2.560 inches nominal second end leg length, 1.938 inches nominal third end leg length, threaded internal tube all ends connection type

National Stock Number: 4730-00-001-1681
Federal Supply Group: 47 - Pipe, Tubing, Hose, and Fittings
Federal Supply Classification: 4730 - Hose, Pipe, Tube, Lubrication and Railing Fittings
National Item Identification Number: 00-001-1681
Item Name Code: 03803
Assigned Date: Sun, Sep 24, 1972
Requires Demilitarization: DEMIL/MLI

NSN 4730-00-001-1681 Specification

Set by the OEM (See RNCC code 3)

End Item Identification: aircraft, tomcat f-14a
Connection Style: plain (tube) all ends
Connection Type: threaded internal tube all ends
Leg Length: 1.938 inches nominal third end
Leg Length: 2.560 inches nominal second end
Leg Length: 4.060 inches nominal first end
Nominal Outside Diameter Tube Accommodated: 0.750 inches third end
Nominal Outside Diameter Tube Accommodated: 1.000 inches second end
Nominal Outside Diameter Tube Accommodated: 1.500 inches first end
Nominal Thread Size: 1.062 inches third end
Nominal Thread Size: 1.312 inches second end
Nominal Thread Size: 1.875 inches first end
Thread Class: 3b all ends
Thread Series Designator: unified national joint (unj) all ends

Quality Commitment

Quality, Safety, and Compliance in Every Supply Requirement

Serving aerospace, military, MRO, and industrial customers with quality-first sourcing, inspected products, audited supply chain processes, and compliance-focused support.

AS9120 Certified

Audited Supply Chain

ITAR Registered

DDTC Registered

HAZMAT Certified

Customer Service Objectives

Every Product 100% Inspected

Every product is 100% inspected to support quality assurance, safety, documentation, and dependable delivery for critical aerospace, defense, MRO, and industrial sourcing requirements.

NSN 4730-00-001-1681 Material

Hazmat, Precious Metals, Criticality, Environment, and ESD

(PMIC) Precious Metals Indicator

Item does not contain precious metal.

What does the A code means?

Precious metals indicator code (pmic): this code is to identify items that have precious metals as part of their content. Precious metals are those metals generally considered to be uncommon and highly valuable which are relatively superior in certain properties such as resistance to corrosion and electrical conductivity. The precious metals recovery program for the federal government encompasses gold, silver, platinum, and the platinum family which consists of palladium, iridium, rhodium, osmium, and ruthenium. See volume 10, table 160 and quick info on-line.

(HMIC) Hazardous Metal Indicator

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

What does the N code means?

Hazardous materials indicator code: a code established in the dlis total item record (tir) to identify to users of the federal catalog system all known or suspected hazardous items as defined by safety/health, transaction and/or environmental regulations, to serve as a flag that a procuring activity must acquire a material safety data sheet when a hazardous item is procured, and to inform federal catalog system users when more detailed information on an item is available in the hazardous material information system. See volume 10, table 179 and quick info on-line.

Criticality Code

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

What does the X code means?

Criticality code, federal item identification guide: a code which indicates when an item is technically critical, by reason of tolerance, fit, application, nuclear hardness properties or other characteristic which affects identification of the item. See volume 10, table 181 and quick info on-line.

Cross Reference Parts

Part numbers that meet the specification outlined on this page and set by the OEM

Part Number	CAGE	RNCC	RNVC	DAC	RNAAC	MSDS	SADC
A51H30560	26512	D	9	A	AX	-	-
A51H30560-11	26512	5	9	E	AX	-	-
A51H30560-11	61174	3	9	E	AX	-	-
A51H30560-11	65782	5	2	6	AX	-	-
A51H30560-11	75245	5	2	6	AX	-	-
A51H30560-11	79RG9	3	2	5	ZZ	-	-

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