Home · FSC 4320 Power And Hand Pumps · NSN 4320-01-245-0828

NSN 4320-01-245-0828 — Ring,Wearing

NIIN 01-245-0828 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

Buying rhythm

from 12 government buys since 2017

The government has bought this item about every 5 months (irregular, gaps vary ±132%). Last buy Dec 12, 2025. 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 4320-01-245-0828 is the national stock number for a ring,wearing in federal supply class 4320 (Power And Hand Pumps). It cross-references to 3 manufacturer part numbers from 1 CAGE code, including Naval Sea Systems Command; the primary is 5773203-3.2. The unit of issue is EA and the FLIS list price is $551.47.

The U.S. government has bought this item 15 times on record, 6 of them in the last 24 months, most recently on December 12, 2025 at $407.00 each from 2lyons Aerospace LLC. The median unit price paid over 36 months is $387.65. 1 solicitation is open right now, the soonest due October 6, 2026 for 125 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 numbers from 1 CAGE

open solicitation, all agencies

government buys in 24 months · median $387.65

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
803-5773203-3.2U	53711	Naval Sea Systems Command	3 · Design control (vendor)	2 · Fully interchangeable
5773203-3.2	53711	Naval Sea Systems Command	5 · Secondary reference	2 · Fully interchangeable
5773203-3.2U	53711	Naval Sea Systems Command	5 · Secondary reference	2 · Fully interchangeable

Government demand

Open DLA RFQs (DIBBS)

SPE7M126U6615 · 125 EA · due Oct 6, 2026 · L · AMSC G · DIBBS

What the government paid

Date	Vendor	Qty	Unit cost	Buyer	Reference
Dec 12, 2025	2lyons Aerospace LLC 8BPE2	78	$407.00	Dla	SPE7M126V3714
Oct 14, 2025	Rps-Fl, Inc. 54402	34	$396.50	Dla	SPE7M126V0700
Jul 18, 2025	Rps-Fl, Inc. 54402	38	$381.95	Dla	SPE7M125V6785
Dec 9, 2024	Rps-Fl, Inc. 54402	36	$378.70	Dla	SPE7M125V1452
Nov 22, 2024	Rps-Fl, Inc. 54402	29	$389.60	Dla	SPE7M125V1192
Oct 25, 2024	Rps-Fl, Inc. 54402	44	$385.70	Dla	SPE7M125V0621
Sep 23, 2024	Statz Corp 3WGD1	35	$429.26	Dla	SPE7M124V6567
Oct 25, 2023	Statz Corp 3WGD1	49	$341.23	Dla	SPE7M124P0767
Dec 29, 2022	R & M Government Services Inc 6FN58	3	$748.50	Dla	SPE7M123F2784
Dec 22, 2022	R & M Government Services Inc 6FN58	16	$748.50	Dla	SPE7M123F2738
Mar 3, 2022	Murar Florence 7SN84	36	$186.95	Dla	SPE7M122V4983
Sep 23, 2021	Apex Pinnacle Corp 0REY5	50	$222.25	Dla	SPE7M121P7480
Feb 22, 2018	Echelon Supply And Service, Inc. 61125	37	$211.20	Dla	SPE7M118P3197
Dec 28, 2017	Echelon Supply And Service, Inc. 61125	33	$211.30	Dla	SPE7M818P0985
Apr 2, 2009	Murar, David Dba Midwest Metals 0MXV2	17	$211.00	Dla	SPM7M309M3788

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 15 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 5773203-3.2.

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

DLA management data

FLIS unit price: $551.47
Unit of issue: EA
Acquisition advice: D — Stocked, centrally managed (DLA)
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Chamfer Length: OUTSIDE RIGHT CORNER INCHES NOMINAL 0.040
Chamfer Length: OUTSIDE LEFT CORNER INCHES NOMINAL 0.040
Overall Length: INCHES NOMINAL 0.810
Body Outside Diameter: INCHES MINIMUM 6.753 AND INCHES MAXIMUM 6.755
Body Inside Diameter: INCHES NOMINAL 6.072
End Item Identification: FIRE PUMPS
Corner Shape: OUTSIDE RIGHT CORNER CHAMFERED
Corner Shape: OUTSIDE LEFT CORNER CHAMFERED
Chamfer Angle: OUTSIDE LEFT CORNER DEGREES NOMINAL 45.0
Chamfer Angle: OUTSIDE RIGHT CORNER DEGREES NOMINAL 45.0

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.