Home · FSC 1660 Aircraft Air Conditioning, Heating, And Pressurizing Equipment · NSN 1660-01-652-6989

NSN 1660-01-652-6989 — Mask,Oxygen

NIIN 01-652-6989 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 1660-01-652-6989 is the national stock number for a mask,oxygen in federal supply class 1660 (Aircraft Air Conditioning, Heating, And Pressurizing Equipment). It cross-references to 3 manufacturer part numbers from 3 CAGE codes, including Avox Systems Inc, B/E Aerospace, Inc., The Boeing Company; the primary is 174095-19. The federal catalog ties it to the KC-46 Pegasus. The unit of issue is EA and the FLIS list price is $97.80.

No government purchase of this stock number is on our record yet. 1 solicitation is open right now, the soonest due October 5, 2026 for 20 EA. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.

part numbers from 3 CAGEs

open solicitation, all agencies

government buys in 24 months

sellers with confirmed stock

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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part number	CAGE	Manufacturer	Reference	Variation
289-801-421	53655	Avox Systems Inc	3 · Design control (vendor)	1 · Not fully interchangeable
174095-19	16827	B/E Aerospace, Inc.	5 · Secondary reference	2 · Fully interchangeable
S418W001-19	81205	The Boeing Company	7 · Replaced/superseded	2 · Fully interchangeable

Government demand

Open DLA RFQs (DIBBS)

SPE4A726T796D · 20 EA · due Oct 5, 2026 · N · AMSC C · DIBBS

What the government paid

No government purchase on record for this NSN.

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices.

Sellers with confirmed stock

No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on 174095-19.

Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price: $97.80
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Dec 1, 2025

Item characteristics

End Item Identification: KC-46A
Part Name Assigned By Controlling Agency: MASK ASSEMBLY
Proprietary Characteristics: PACS
Reference Number Differentiating Characteristics: ITEM IS FAA CERTIFIED

About this page

An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.