Home · FSC 5330 Packing And Gasket Materials · NSN 5330-01-581-5529

NSN 5330-01-581-5529 — Gasket

NIIN 01-581-5529 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

Buying rhythm

from 8 government buys since 2020

The government has bought this item about every 6 months (loose, gaps vary ±77%). Last buy Jan 15, 2026. The gaps are too uneven to put a window on the next one. 1 solicitation is open right now.

How well this works: for loose items, "next buy about one typical gap after the last, give or take 136 days" caught the actual next buy 37% of the time across 35,590 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 5330-01-581-5529 is the national stock number for a gasket in federal supply class 5330 (Packing And Gasket Materials). It cross-references to 3 manufacturer part numbers from 1 CAGE code, including Industrial Heat Transfer, Inc.; the primary is 009517-01. The unit of issue is EA and the FLIS list price is $592.90.

The U.S. government has bought this item 9 times on record, 3 of them in the last 24 months, most recently on January 15, 2026 at $413.30 each from Larkos Packing And Distribution Inc.. The median unit price paid over 36 months is $413.30. 1 solicitation is open right now, the soonest due October 7, 2026 for 4 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 $413.30

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
009517-01	0ASU6	Industrial Heat Transfer, Inc.	3 · Design control (vendor)	2 · Fully interchangeable
C009517-01	0ASU6	Industrial Heat Transfer, Inc.	5 · Secondary reference	9 · Reference only
E009500-01 ITEM 15	0ASU6	Industrial Heat Transfer, Inc.	5 · Secondary reference	2 · Fully interchangeable

Government demand

Open DLA RFQs (DIBBS)

SPE7LX26U007D · 4 EA · due Oct 7, 2026 · Y · AMSC R · DIBBS

What the government paid

Date	Vendor	Qty	Unit cost	Buyer	Reference
Jan 15, 2026	Larkos Packing And Distribution Inc. 6PZL1	4	$413.30	Dla	SPE7L326V1601
Oct 18, 2024	Larkos Packing And Distribution Inc. 6PZL1	2	$449.05	Dla	SPE7L325V0462
Oct 2, 2024	Larkos Packing And Distribution Inc. 6PZL1	3	$409.00	Dla	SPE7L325V0060
Nov 8, 2022	Phoenix Trading Inc. 4LF36	3	$331.00	Dla	SPE7L323V1028
May 20, 2022	Larkos Packing And Distribution Inc. 6PZL1	2	$373.70	Dla	SPE7L322V022X
Dec 20, 2021	Phoenix Trading Inc. 4LF36	3	$243.40	Dla	SPE7L322V3543
Oct 28, 2021	Phoenix Trading Inc. 4LF36	2	$357.00	Dla	SPE7L322V1849
Oct 28, 2020	Phoenix Trading Inc. 4LF36	2	$357.00	Dla	SPE7L321V0588
Aug 13, 2020	Larkos Packing And Distribution Inc. 6PZL1	1	$469.00	Dla	SPE5EJ20V5823

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 9 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 009517-01.

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

DLA management data

FLIS unit price: $592.90
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Shelf life code: X
Effective: Oct 1, 2025

Item characteristics

End Item Identification: AIR COOLER
Part Name Assigned By Controlling Agency: IN-OUT HEADER GASKET
Material: OVERALL RUBBER SYNTHETIC
Material Document And Classification: OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-R-6855 CL-1 DURO-ETER 80

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.