Home · FSC 6350 Miscellaneous Alarm, Signal, And Security Detection Systems · NSN 6350-01-258-3656

NSN 6350-01-258-3656 — Bell,Electrical

NIIN 01-258-3656 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

Buying rhythm

from 4 government buys since 2018

The government has bought this item about every 6 months (irregular, gaps vary ±120%). Last buy Aug 5, 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 152 days" caught the actual next buy 31% of the time across 21,749 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 6350-01-258-3656 is the national stock number for a bell,electrical in federal supply class 6350 (Miscellaneous Alarm, Signal, And Security Detection Systems). It cross-references to 1 manufacturer part number from 1 CAGE code, including Naval Sea Systems Command; the primary is 5860203. The unit of issue is EA and the FLIS list price is $1,248.53.

The U.S. government has bought this item 5 times on record, 2 of them in the last 24 months, most recently on August 5, 2026 at $1,992.16 each from Polytech Defense Spares LLC. The median unit price paid over 36 months is $1,992.16. 2 solicitations are open right now, the soonest due October 6, 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.

part number from 1 CAGE

open solicitations, all agencies

government buys in 24 months · median $1,992.16

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
5860203	53711	Naval Sea Systems Command	3 · Design control (vendor)	2 · Fully interchangeable

Government demand

Open DLA RFQs (DIBBS)

SPE4A626U4388 · 3 EA · due Oct 6, 2026 · N · AMSC G · DIBBS

Open notices, other agencies (SAM.gov)

Defense Logistics Agency · Dla Aviation · BELL,ELECTRICAL · due Oct 6, 2026 · Combined Synopsis/Solicitation

What the government paid

Date	Vendor	Qty	Unit cost	Buyer	Reference
Aug 5, 2026	Polytech Defense Spares LLC 4K539	4	$1,992.16	Dla	SPE4A626PAJ36
Feb 6, 2026	Polytech Defense Spares LLC 4K539	4	$1,992.16	Dla	SPE4A626PE819
Nov 2, 2018	Polytech Defense Spares LLC 4K539	1	$1,488.00	Dla	SPE4A619P2626
Jul 2, 2018	Trans-Continental Aviation 0KY50	1	$595.00	Dla	SPE4A618PK576
Aug 23, 1998	Polytech Defense Spares LLC 4K539	3	$789.00	Dla	SP056098MVJ26

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 5 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 5860203.

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

DLA management data

FLIS unit price: $1,248.53
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Feb 1, 2026

Item characteristics

End Item Identification: AEGIS ICSS UNIQUE ITEMS LIST; N/A FOR COSAL USE

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.