Home · FSC 4210 Firefighting Equipment · NSN 4210-01-257-9901

NSN 4210-01-257-9901 — Head,Sprinkler,Fire Protection

NIIN 01-257-9901 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 4210-01-257-9901 is the national stock number for a head,sprinkler,fire protection in federal supply class 4210 (Firefighting Equipment). It cross-references to 3 manufacturer part numbers from 2 CAGE codes, including Grinnell Corp Grinnell Fire Protection Systmes Div, Tyco Fire Products Lp; the primary is 52921-360-10. The unit of issue is EA and the FLIS list price is $192.42.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on September 11, 2026 for $464 from Pcx Inc. No seller has confirmed stock of it here in the last 30 days; watching the number is free and the first listing triggers an alert.

3

part numbers from 2 CAGEs

0

open solicitations, all agencies

1

government buy in 24 months

0

sellers with confirmed stock

Watch NSN 4210-01-257-9901: an email the morning the government solicits or buys it, or an AD names it. Free.
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Cross-references

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

Part numberCAGEManufacturerReferenceVariation
52921N-360-1062420Grinnell Corp Grinnell Fire Protection Systmes Div3 · Design control (vendor)9 · Reference only
52921-360-1003670Tyco Fire Products Lp5 · Secondary reference2 · Fully interchangeable
52921N-360-1003670Tyco Fire Products Lp5 · Secondary reference9 · Reference only
52921N03670Tyco Fire Products LpD9 · Reference only

Government demand

Nothing open right now. Last government buy Sep 11, 2026. Watch this NSN and we will email you when it is solicited.

What the government paid

DateVendorQtyUnit costAmountBuyerReference
Sep 11, 2026Pcx Inc 32DV7$464DlaSPE8E626V0131 » Award/Basic Package View

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 1 buy 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 52921-360-10.

Request 52921-360-10

No account needed. Goes to the sellers who carry this number or its family.

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

DLA management data

FLIS unit price
$192.42
Unit of issue
EA
Acquisition advice
Z — Insurance item
Source of supply
SMS
Effective
Oct 1, 2026

Item characteristics

Head Type
SPRAY
Connection Thread Size
1 IN.-11 1/2
Connection Thread Location
EXTERNAL
Connection Thread Series
NPT
Spray Angle Pattern
DEGREES 360.0
Special Features
HALON 1301; 4 ORIFICE HOLES; ON 1 90 DEGREE 1.380 INCH HEX HEAD; OVERALL LENGTH 2.130 INCH; DRILL SIZE 10-0.166 INCH
Material
STEEL CORROSION RESISTING
Media For Which Designed
BROMOTRIFLUOROMETHANE
Special Test Features
SHOCK TEST- GR-A,CLASS 1,TY-A,MEDIUM WEIGHT-MIL-S-901; VIBRATION TEST- TY-1-MIL-STD-167/1; SALT SPRAY TEST,METHOD 509-MIL-STD-810

Related stock numbers

Other NSNs filed under the same part numbers.

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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