NSN catalog · 90,963 partsCatalog › Firefighting, Rescue, and Safety Equipment › FSC 4240 › 4240-00-999-0420
Chemical-Biological Mask Hood P/N MILH51291
In stock — 1 on our U.S. shelfNSN 4240-00-999-0420 4240009990420 NIIN 009990420
SECO Parts has 1 in stock of NSN 4240-00-999-0420 — Chemical-Biological Mask Hood — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $25–$60 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.
Quotes answered within one business day once the end-use statement is reviewed.
- 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
- HOOD,CHEMICAL-BIOLOGICAL MASK
- SECO description
- HOOD, CHEMICAL
- Federal supply class
- FSC 4240 — Safety and Rescue Equipment
Also known as:
4240-00-999-0420 009990420 MILH51291 5-35-86
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.
Controlled item. Quote only — no online checkout. Your request must include the end user, the end use, and a U.S.-person certification; SECO reviews each request before quoting.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Aperture type and quantity
- Eye 2 and Air Inlet 2 and Speech Diaphragm-Outlet Valve 1
- Color
- Main Body Olive Drab, US Army, 177
- Nondefinitive spec/std data
- Type -6A2
- User designator
- Combat Control Team Member
- Headwear fastening method
- Drawcord or Shoulder Strap
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
MILH51291 5-35-86
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | A12 U.S. Army activity A12 |
| Acquisition advice code | Y Terminal item (stock exhausted) — a terminal item: government stock is exhausted and it is not being re-procured. SECO has 1 on the shelf |
| Unit of issue | EA each |
| Demilitarization code | F |
| Controlled inventory code | V |
| 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 4240-00-999-0420?
NSN 4240-00-999-0420 (4240009990420) — Chemical-Biological Mask Hood: SECO Parts has 1 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for chemical-biological mask hood in federal supply class 4240 (Safety and Rescue Equipment).
Is NSN 4240-00-999-0420 available?
SECO Parts has 1 in stock in Augusta, GA. This is a controlled item: it is sold by quote only with an end-use statement.
How much does NSN 4240-00-999-0420 cost?
SECO typically prices parts like NSN 4240-00-999-0420 at $25–$60 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 4240-00-999-0420?
Part numbers that cross-reference this NSN include MILH51291, 5-35-86. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names HOOD,CHEMICAL-BIOLOGICAL MASK. Same name is not the same part: check the part numbers.