Boss Reducer P/N MS21916-6-4

Specifications

Nominal overall length

Inches 1.219

Maximum operating temp

Single Response Fahrenheit 275.0

Material document and classification

Overall Fed Spec Single Material Response QQ-A-367 or Assn STD Single Material Response Ast- A576-677 or MIL Spec Single Material Response -IL-S-6758

Media for which designed

Single Response Hydraulic Fluid

Surface treatment

Overall Cadmium

Surface treatment document and classification

Overall Fed Spec Single Treatment Response QQ--416,Tye 2,Class 2

Thread series designator

All Ends Unified National Joint Fine (Unjf)

Specification/standard data

Government Standard 96906--S21916

Nominal thread size

First End Inches 0.562

Reduced passage nominal inside diameter

All Ends Inches 0.188

Thread class

3A

Reducer type

Concentric

Nominal thread size

Second End Inches 0.438

Operating pressure

Single Response Pounds Per Square Inch (PSI) Maximum 3000.0

Connection type

All Ends Threaded External Boss

Material

Overall Steel Comp 1137 or Steel Comp 1141 or Steel Comp 4130

From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.

Cross-reference part numbers

MS21916-6-4 ER919-6 ER919-6-4 AS18280 AS21916-6-4 4730-541-4901

Shown for identification only. SECO can quote against any of these numbers.

Logistics data

Source: public FLIS/PUB LOG cataloging data.

Why buy from SECO

These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.

In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered

FAQ

What is NSN 4730-00-541-4901?
NSN 4730-00-541-4901 (4730005414901) — Boss Reducer: SECO Parts has 555 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for boss reducer in federal supply class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings).

Is NSN 4730-00-541-4901 available?
SECO Parts has 555 in stock in Augusta, GA — order or request a quote below.

How much does NSN 4730-00-541-4901 cost?
NSN 4730-00-541-4901 is a low-cost part, so SECO quotes it by the line rather than by the piece: there is a $50 minimum per line, and quantity pricing on request — usually answered the same business day.

What does NSN 4730-00-541-4901 fit?
The federal catalog lists NSN 4730-00-541-4901 as used on: Grumman A10 Aircraft; X2M Assault Amphibious Vehicle, Command (AAVC-7A1).

What part numbers cross-reference to NSN 4730-00-541-4901?
Part numbers that cross-reference this NSN include MS21916-6-4, ER919-6, ER919-6-4, AS18280, AS21916-6-4, 4730-541-4901. SECO can quote against any of them.