NSN catalog · 90,963 partsCatalog › Pipe, Tubing, Hose, and Fittings › FSC 4730 › 4730-00-826-3421
Boss Reducer P/N MS21916-12-10C
In stock — 7 on our U.S. shelfNSN 4730-00-826-3421 4730008263421 NIIN 008263421 P/N MS21916-12-10C
SECO Parts has 7 in stock of NSN 4730-00-826-3421 — Boss Reducer — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $35–$65 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
- SECO description
- REDUCER, FLAIRLESS
- Federal supply class
- FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 7 |
| Total | 7 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
4730-00-826-3421 008263421 MS21916-12-10C MS21916J12-10 SAE-AS18280 R44116P-1210 JCM-15233-045 AS21916 54M-MS21916-12-
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
- Reducer type
- Concentric
- Surface treatment
- Overall Passivate
- Surface treatment document and classification
- Inside MIL Spec Single Treatment Response -IL-S-5002
- Material document and classification
- Overall Fed STD Single Material Response 66
- Specification/standard data
- Government Standard 96906--S21916
- Surface treatment document and classification
- Outside MIL Spec Single Treatment Response -IL-F-14072,E300,TY 2
- Thread series designator
- First End Unified National Joint (Unj)
- Thread series designator
- Second End Unified National Joint Fine (Unjf)
- Nominal overall length
- Inches 1.688
- Connection type
- All Ends Threaded External Boss
- Thread class
- 3A
- Thread quantity per inch
- 12
- Nominal thread size
- First End Inches 1.062
- Nominal thread size
- Second End Inches 0.875
- Material
- Overall Steel Comp 304
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
MS21916J12-10 SAE-AS18280 R44116P-1210 JCM-15233-045 AS21916
Also referenced as
54M-MS21916-12- MS21916-12-10C
Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.
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 7 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.
In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered
FAQ
What is NSN 4730-00-826-3421?
NSN 4730-00-826-3421 (4730008263421) — Boss Reducer: SECO Parts has 7 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 4730-00-826-3421 available?
SECO Parts has 7 in stock in Augusta, GA — order or request a quote below.
How much does NSN 4730-00-826-3421 cost?
SECO typically prices parts like NSN 4730-00-826-3421 at $35–$65 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 4730-00-826-3421?
Part numbers that cross-reference this NSN include MS21916J12-10, SAE-AS18280, R44116P-1210, JCM-15233-045, AS21916. It is also referenced by older, superseded or advisory numbers: 54M-MS21916-12-, MS21916-12-10C. 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.