Home · FSC 4310 Compressors And Vacuum Pumps · NSN 4310-01-709-2161

NSN 4310-01-709-2161 — Vacuum Pump,Rotary

NIIN 01-709-2161 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

Buying rhythm

from 4 government buys since 2024

The government has bought this item about every 2 months (regular, gaps vary ±55%). Last buy Feb 28, 2025. If the rhythm holds, the next one falls between Mar 25, 2025 and Jun 23, 2025: a buy is overdue by the usual rhythm. 1 solicitation is open right now.

How well this works: for regular items, "next buy about one typical gap after the last, give or take 121 days" caught the actual next buy 42% of the time across 15,552 past buys, against 22% 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 4310-01-709-2161 is the national stock number for a vacuum pump,rotary in federal supply class 4310 (Compressors And Vacuum Pumps). It cross-references to 2 manufacturer part numbers from 2 CAGE codes, including Naval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier, Aerospace Control Products, Inc.; the primary is 3949AS105. The unit of issue is EA and the FLIS list price is $26,940.94.

The U.S. government has bought this item 4 times on record, 2 of them in the last 24 months, most recently on February 28, 2025 at $19,875.00 each from Aerospace Control Products, Inc.. The median unit price paid over 36 months is $18,750.00. 1 solicitation is open right now, the soonest due October 5, 2026 for 8 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 2 CAGEs

open solicitation, all agencies

government buys in 24 months · median $18,750.00

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
3949AS105	30003	Naval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier	1 · Design control	2 · Fully interchangeable
943771-7	58918	Aerospace Control Products, Inc.	3 · Design control (vendor)	2 · Fully interchangeable

Government demand

Open DLA RFQs (DIBBS)

SPE7M126T380K · 8 EA · due Oct 5, 2026 · N · AMSC B · DIBBS

What the government paid

Date	Vendor	Qty	Unit cost	Buyer	Reference
Feb 28, 2025	Aerospace Control Products, Inc. 58918	10	$19,875.00	Dla	SPE7M525P2757
Oct 31, 2024	Aerospace Control Products, Inc. 58918	2	$18,750.00	Dla	SPE7M125P1040
Aug 27, 2024	Aerospace Control Products, Inc. 58918	3	$18,750.00	Dla	SPE7M124P9797
Aug 1, 2024	Aerospace Control Products, Inc. 58918	5	$18,750.00	Dla	SPE7M124P9141

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 4 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 3949AS105.

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

DLA management data

FLIS unit price: $26,940.94
Unit of issue: EA
Acquisition advice: D — Stocked, centrally managed (DLA)
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

End Item Identification: CONSOL GSE
Part Name Assigned By Controlling Agency: VACUUM PUMP ASSEMBLY

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.