NSN catalog · 90,963 partsCatalog › Firefighting, Rescue, and Safety Equipment › FSC 4240 › 4240-00-300-6457
Canister Assembly Coupling P/N D5-1-271
In stock — 27 on our U.S. shelfNSN 4240-00-300-6457 4240003006457 NIIN 003006457
SECO Parts has 27 in stock of NSN 4240-00-300-6457 — Canister Assembly Coupling — on our own shelf in Augusta, GA: a stocking supplier, not a broker.
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
- COUPLING,CANISTER ASSEMBLY
- SECO description
- COUPLING, CANISTER
- Federal supply class
- FSC 4240 — Safety and Rescue Equipment
- Used on
- Oxygen Supply Cbr Mask Adapter (4240-00-848-6074),Chemical-Biological Mask (4240-00-994-8751) Small,Chemical-Biological Mask (4240-00-994-8752) Large,4240-00-994-8550 Medium
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 27 |
| Total | 27 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
4240-00-300-6457 003006457 D5-1-271
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
- General characteristics item description
- C/o Connector,Aluminum Alloy,Cap,Synthetic Rubber;Cap IS 3.719 In.o.d. with 3.250 In.i.d.
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
D5-1-271
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Hazardous material indicator | P No HMIS record; MSDS may apply by end use |
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 4240-00-300-6457?
NSN 4240-00-300-6457 (4240003006457) — Canister Assembly Coupling: SECO Parts has 27 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for canister assembly coupling in federal supply class 4240 (Safety and Rescue Equipment).
Is NSN 4240-00-300-6457 available?
SECO Parts has 27 in stock in Augusta, GA — order or request a quote below.
How much does NSN 4240-00-300-6457 cost?
SECO quotes NSN 4240-00-300-6457 on request, usually the same business day.
What does NSN 4240-00-300-6457 fit?
The federal catalog lists NSN 4240-00-300-6457 as used on: Oxygen Supply Cbr Mask Adapter (4240-00-848-6074),Chemical-Biological Mask (4240-00-994-8751) Small,Chemical-Biological Mask (4240-00-994-8752) Large,4240-00-994-8550 Medium.
What part numbers cross-reference to NSN 4240-00-300-6457?
Part numbers that cross-reference this NSN include D5-1-271. SECO can quote against any of them.