Home · FSC 4820 Valves, Nonpowered · NSN 4820-01-111-0491

NSN 4820-01-111-0491 — Valve,Plug

NIIN 01-111-0491 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 4820-01-111-0491 is the national stock number for a valve,plug in federal supply class 4820 (Valves, Nonpowered). It cross-references to 2 manufacturer part numbers from 3 CAGE codes, including Griswold Industries, Naval Sea Systems Command, Derbyshire Machine & Tool Co; the primary is 31870K. The unit of issue is EA and the FLIS list price is $9,194.66.

The U.S. government has bought this item 2 times on record, 2 of them in the last 24 months, most recently on September 14, 2026 for $267,991 from Bsa Products, LLC. 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 solicitations, 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
31870K	86184	Griswold Industries	3 · Design control (vendor)	2 · Fully interchangeable
F-3328634	53711	Naval Sea Systems Command	5 · Secondary reference	9 · Reference only
F-3328634	71905	Derbyshire Machine & Tool Co	5 · Secondary reference	2 · Fully interchangeable

Government demand

Nothing open right now. Last government buy Sep 14, 2026. Watch this NSN and we will email you when it is solicited.

What the government paid

Date	Vendor	Qty	Unit cost	Amount	Buyer	Reference
Sep 14, 2026	Bsa Products, LLC 0NP10			$267,991	Dla	SPE7MC26P3619 » Award/Basic Package View
Sep 1, 2026	Griswold Industries 86184			$98,595	Dla	SPE7MC26V0123

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 2 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 31870K.

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

DLA management data

FLIS unit price: $9,194.66
Unit of issue: EA
Acquisition advice: D — Stocked, centrally managed (DLA)
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Special Features: MANUAL LOCKING LEVER
Material: STEM NICKEL ALLOY
Material: SEAT NICKEL ALLOY

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.