Home · FSC 1650 Aircraft Hydraulic, Vacuum, And De-Icing System Components · NSN 1650-01-556-3299
NSN 1650-01-556-3299 — Dampener,Fluid Pressure
NIIN 01-556-3299 · unit of issue EA · AAC Z (insurance item) · source of supply SMS
Buying rhythm
from 11 government buys since 2017
The government has bought this item about every 3 months (irregular, gaps vary ±214%). Last buy Aug 20, 2026. The gaps are too uneven to put a window on the next one. 1 solicitation is open right now.
How well this works: for irregular items, "next buy about one typical gap after the last, give or take 151 days" caught the actual next buy 31% of the time across 21,161 past buys, against 24% for a fixed "one year later" guess. A rhythm, not a schedule: DLA buys when stock and demand say so. Every item due for a buy now.
NSN 1650-01-556-3299 is the national stock number for a dampener,fluid pressure in federal supply class 1650 (Aircraft Hydraulic, Vacuum, And De-Icing System Components). It cross-references to 1 manufacturer part number from 1 CAGE code, including The Boeing Company; the primary is 69-16934-1. The unit of issue is EA and the FLIS list price is $1,289.60.
The U.S. government has bought this item 17 times on record, 9 of them in the last 24 months, most recently on August 20, 2026 at $972.00 each from Aerometals, Inc.. The median unit price paid over 36 months is $962.00. 2 solicitations are open right now, the soonest due September 30, 2026 for 16 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.
1
part number from 1 CAGE
2
open solicitations, all agencies
9
government buys in 24 months · median $962.00
0
sellers with confirmed stock
Cross-references
Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.
| Part number | CAGE | Manufacturer | Reference | Variation |
|---|---|---|---|---|
| 69-16934-1 | 81205 | The Boeing Company | 3 · Design control (vendor) | 2 · Fully interchangeable |
Government demand
Open DLA RFQs (DIBBS)
- SPE4A726T785L · 16 EA · due Sep 30, 2026 · Y · AMSC G · DIBBS
Open notices, other agencies (SAM.gov)
- Defense Logistics Agency · Dla Aviation · DAMPENER,FLUID PRESSUR · due Sep 30, 2026 · Combined Synopsis/Solicitation
What the government paid
| Date | Vendor | Qty | Unit cost | Amount | Buyer | Reference |
|---|---|---|---|---|---|---|
| Aug 20, 2026 | Aerometals, Inc. 32664 | 20 | $972.00 | Dla | SPE4A726F014T | |
| Aug 20, 2026 | Aerometals, Inc. 32664 | $19,440 | Dla | SPE4A723D5606 | ||
| Apr 23, 2026 | Aerometals, Inc. 32664 | 16 | $962.00 | Dla | SPE4A726F5462 | |
| Mar 19, 2026 | Aerometals, Inc. 32664 | 25 | $962.00 | Dla | SPE4A726F4410 | |
| Dec 19, 2025 | Aerometals, Inc. 32664 | 28 | $962.00 | Dla | SPE4A726F2147 | |
| Oct 19, 2025 | Aerometals, Inc. 32664 | 22 | $962.00 | Dla | SPE4A726F0370 | |
| Sep 11, 2025 | Aerometals, Inc. 32664 | 34 | $962.00 | Dla | SPE4A725F8967 | |
| Jul 21, 2025 | Aerometals, Inc. 32664 | 17 | $962.00 | Dla | SPE4A725F7723 | |
| Mar 23, 2025 | Aerometals, Inc. 32664 | 20 | $942.00 | Dla | SPE4A725F4510 | |
| Jul 18, 2024 | Aerometals, Inc. 32664 | 21 | $942.00 | Dla | SPE4A724F9444 | |
| Apr 12, 2024 | Aerometals, Inc. 32664 | 19 | $922.00 | Dla | SPE4A724F7111 | |
| Aug 8, 2017 | Lobo Ventures Ltd 1HC54 | 62 | $497.00 | Dla | SPE4A717D03380001 | |
| Sep 17, 2016 | Aerometals, Inc. 32664 | 14 | $937.00 | Dla | SPE4A715D00110011 | |
| Aug 15, 2016 | Aerometals, Inc. 32664 | 23 | $937.00 | Dla | SPE4A715D00110010 | |
| Jul 20, 2016 | Aerometals, Inc. 32664 | 23 | $937.00 | Dla | SPE4A715D00110009 | |
| Jul 7, 2016 | Aerometals, Inc. 32664 | 23 | $937.00 | Dla | SPE4A715D00110008 | |
| Nov 4, 2015 | Aerometals, Inc. 32664 | 30 | $937.00 | Dla | SPE4A715D00110006 |
Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 17 buys on record in total.
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 69-16934-1.
Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.
DLA management data
- FLIS unit price
- $1,289.60
- Unit of issue
- EA
- Acquisition advice
- Z — Insurance item
- Source of supply
- SMS
- Effective
- Oct 1, 2025
Item characteristics
- Overall Width
- INCHES NOMINAL 4.750
- Part Name Assigned By Controlling Agency
- INERTIA DAMPER FORE FLAP, ASSEMBLY OF
- Material
- ALUMINUM ALLOY 2024
- Proprietary Characteristics
- PACS
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.
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