Home · FSC 4820 Valves, Nonpowered · NSN 4820-01-461-5610
NSN 4820-01-461-5610 — Valve,Check
NIIN 01-461-5610 · unit of issue EA · AAC Z (insurance item) · source of supply SMS
Buying rhythm
from 8 government buys since 2017
The government has bought this item about every 11 months (irregular, gaps vary ±105%). Last buy Jan 28, 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 4820-01-461-5610 is the national stock number for a valve,check in federal supply class 4820 (Valves, Nonpowered). It cross-references to 1 manufacturer part number from 1 CAGE code, including Crissair Inc; the primary is 1C3952. The unit of issue is EA and the FLIS list price is $996.03.
The U.S. government has bought this item 10 times on record, 1 of them in the last 24 months, most recently on January 28, 2026 at $2,098.00 each from New England Specialty Components, LLC. The median unit price paid over 36 months is $2,098.00. 1 solicitation is open right now, the soonest due September 30, 2026 for 3 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
1
open solicitation, all agencies
1
government buy in 24 months · median $2,098.00
0
sellers with confirmed stock
Cross-references
Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.
Government demand
Open DLA RFQs (DIBBS)
- SPE7M426T390H · 3 EA · due Sep 30, 2026 · N · AMSC L · DIBBS
What the government paid
| Date | Vendor | Qty | Unit cost | Amount | Buyer | Reference |
|---|---|---|---|---|---|---|
| Jan 28, 2026 | New England Specialty Components, LLC 1WAC1 | 13 | $2,098.00 | Dla | SPE7M126P2773 | |
| Apr 7, 2022 | New England Specialty Components, LLC 1WAC1 | 3 | $1,115.00 | Dla | SPE7M422V3052 | |
| Mar 8, 2022 | New England Specialty Components, LLC 1WAC1 | 1 | $1,095.00 | Dla | SPE7M422V2362 | |
| Jan 14, 2022 | New England Specialty Components, LLC 1WAC1 | 1 | $1,072.00 | Dla | SPE7M422V1440 | |
| Dec 23, 2021 | Mitchell Aircraft, LLC 7BRY1 | 1 | $1,111.00 | Dla | SPE7M422P0857 | |
| Jan 13, 2021 | Mitchell Aircraft, LLC 7BRY1 | 3 | $1,013.34 | Dla | SPE7M321V1894 | |
| Aug 28, 2019 | Mitchell Aircraft, LLC 7BRY1 | 3 | $955.44 | Dla | SPE7M319V5791 | |
| Jul 7, 2017 | Phoenix Trading Inc. 4LF36 | 3 | $860.00 | Dla | SPE7M017VA601 | |
| Feb 16, 2007 | Phoenix Trading Inc. 4LF36 | 5 | $783.40 | Dla | SPM7M207M2269 | |
| Jul 20, 1999 | Crissair Inc 99240 | 5 | $205.00 | Dla | SP074099V2817 |
Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 10 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 1C3952.
Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.
DLA management data
- FLIS unit price
- $996.03
- Unit of issue
- EA
- Acquisition advice
- Z — Insurance item
- Source of supply
- SMS
- Effective
- Oct 1, 2025
Item characteristics
- End Item Identification
- AIRCRAFT, B-2 BOMBER
- Special Features
- E/I MATE ASSY
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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