NSN catalog · 90,963 partsCatalog › Pipe, Tubing, Hose, and Fittings › FSC 4730 › 4730-00-475-3933
Boss Reducer P/N MS21916W12-10
In stock — 2 on our U.S. shelfNSN 4730-00-475-3933 4730004753933 NIIN 004753933
SECO Parts has 2 in stock of NSN 4730-00-475-3933 — Boss Reducer — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $40–$80 each — an estimate from the government catalog price and what we have charged for similar parts. Not a quote: request one for your price. Quote lines carry a $50 minimum.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- REDUCER,BOSS
- Federal supply class
- FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 2 |
| Total | 2 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
4730-00-475-3933 004753933 MS21916W12-10 SAE-AS18280 AS18280 AS21916
Get a quote
Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Material
- Overall Aluminum Alloy 7075
- Thread quantity per inch
- 12
- Nominal thread size
- First End Inches 1.062
- Nominal overall length
- Inches 1.688
- Thread class
- 3A
- Reducer type
- Concentric
- Thread series designator
- First End Unified National Joint (Unj)
- Thread series designator
- Second End Unified National Joint Fine (Unjf)
- Material document and classification
- Overall Fed Spec Single Material Response QQ-A-225 to 9
- Connection type
- All Ends Threaded External Boss
- Nominal thread size
- Second End Inches 0.875
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
MS21916W12-10 SAE-AS18280 AS18280 AS21916
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 2 on the shelf |
| Unit of issue | EA each |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| Hazardous material indicator | N No hazardous material |
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.
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FAQ
What is NSN 4730-00-475-3933?
NSN 4730-00-475-3933 (4730004753933) — Boss Reducer: SECO Parts has 2 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 4730-00-475-3933 available?
SECO Parts has 2 in stock in Augusta, GA — order or request a quote below.
How much does NSN 4730-00-475-3933 cost?
SECO typically prices parts like NSN 4730-00-475-3933 at $40–$80 each: an estimate from the government catalog price and what SECO has charged for similar parts. It is not a quote — request one for your price, usually answered the same business day. Quote lines carry a $50 minimum.
What part numbers cross-reference to NSN 4730-00-475-3933?
Part numbers that cross-reference this NSN include MS21916W12-10, SAE-AS18280, AS18280, AS21916. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names REDUCER,BOSS. Same name is not the same part: check the part numbers.