Home · FSC 5331 O-Ring · NSN 5331-01-318-4563

NSN 5331-01-318-4563 — O-Ring

NIIN 01-318-4563 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 5331-01-318-4563 is the national stock number for an o-ring in federal supply class 5331 (O-Ring). It cross-references to 5 manufacturer part numbers from 1 CAGE code, including Leslie Controls, Inc.; the primary is 21509N PIECE 40. The unit of issue is EA and the FLIS list price is $11.66.

The U.S. government has bought this item 5 times on record, most recently on June 24, 2019 at $8.75 each from Asrc Federal Facilities Logistics, 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 1 CAGE

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
N2725195	35795	Leslie Controls, Inc.	3 · Design control (vendor)	2 · Fully interchangeable
21509N PIECE 40	35795	Leslie Controls, Inc.	5 · Secondary reference	2 · Fully interchangeable
2725195	35795	Leslie Controls, Inc.	5 · Secondary reference	9 · Reference only
29708 PART 2725195	35795	Leslie Controls, Inc.	5 · Secondary reference	2 · Fully interchangeable
N2725194	35795	Leslie Controls, Inc.	5 · Secondary reference	2 · Fully interchangeable

Government demand

Nothing open right now. Last government buy Jun 24, 2019. Watch this NSN and we will email you when it is solicited.

What the government paid

Date	Vendor	Qty	Unit cost	Buyer	Reference
Jun 24, 2019	Asrc Federal Facilities Logistics, LLC 79343	50	$8.75	Dla	SPE5E819P2735
Apr 19, 2012	Asrc Federal Facilities Logistics, LLC 79343	2	$38.75	Dla	SPM5E812M0667
Oct 14, 2011	Asrc Federal Facilities Logistics, LLC 79343	1	$38.00	Dla	SPM5M212V0112
Mar 14, 2011	Asrc Federal Facilities Logistics, LLC 79343	1	$38.00	Dla	SPM5M211M1259
Jun 15, 2006	Leslie Controls, Inc. 35795	3	$34.00	Dla	SPM5M206M2280

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 21509N PIECE 40.

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

DLA management data

FLIS unit price: $11.66
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2025

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.