Home · FSC 4310 Compressors And Vacuum Pumps · NSN 4310-01-368-0149

NSN 4310-01-368-0149 — Cylinder Sleeve

NIIN 01-368-0149 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 4310-01-368-0149 is the national stock number for a cylinder sleeve in federal supply class 4310 (Compressors And Vacuum Pumps). It cross-references to 2 manufacturer part numbers from 1 CAGE code, including Rix Industries; the primary is 363-B4518. The unit of issue is EA and the FLIS list price is $7,801.03.

The U.S. government has bought this item 19 times on record, 7 of them in the last 24 months, most recently on August 5, 2026 at $7,275.69 each from Eci Defense Group, Inc.. The median unit price paid over 36 months is $5,696.67. 1 solicitation is open right now, the soonest due October 6, 2026 for 43 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.

2

part numbers from 1 CAGE

1

open solicitation, all agencies

7

government buys in 24 months · median $5,696.67

0

sellers with confirmed stock

Watch NSN 4310-01-368-0149: 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
363-B451828953Rix Industries3 · Design control (vendor)2 · Fully interchangeable
B451828953Rix IndustriesD9 · Reference only

Government demand

Open DLA RFQs (DIBBS)

What the government paid

DateVendorQtyUnit costAmountBuyerReference
Aug 5, 2026Eci Defense Group, Inc. 4BJ6511$7,275.69DlaSPE7M126V074M
Jun 30, 2025S I T Corporation 1MQB36$5,696.67DlaSPE7M125F2443
May 22, 2025S I T Corporation 1MQB39$5,696.67DlaSPE7M125F2063
May 8, 2025S I T Corporation 1MQB39$5,696.67DlaSPE7M125F1884
Apr 24, 2025S I T Corporation 1MQB34$5,696.67DlaSPE7M125F1763
Apr 10, 2025S I T Corporation 1MQB35$5,696.67DlaSPE7M125F1556
Mar 13, 2025S I T Corporation 1MQB310$5,696.67DlaSPE7M125F1239
May 27, 2024S I T Corporation 1MQB341$5,699.48DlaSPE7M124P6879
Feb 16, 2023Phoenix Systems Engineering Inc 07JR57$2,955.00DlaSPE7M123F3664
Sep 16, 2022Phoenix Systems Engineering Inc 07JR55$2,955.00DlaSPE7M122F739D
Sep 9, 2022Phoenix Systems Engineering Inc 07JR516$2,955.00DlaSPE7M122F683U
Mar 30, 2022Phoenix Systems Engineering Inc 07JR53$2,955.00DlaSPE7M122F333E
Mar 30, 2022Phoenix Systems Engineering Inc 07JR56$2,955.00DlaSPE7M122F331V
Nov 24, 2021Phoenix Systems Engineering Inc 07JR53$2,979.63DlaSPE7M122F7348
Sep 25, 2021Phoenix Systems Engineering Inc 07JR57$2,979.63DlaSPE7M121F596U
Jun 10, 2021Phoenix Systems Engineering Inc 07JR512$2,979.63DlaSPE7M121F241R
Oct 1, 2019Phoenix Systems Engineering Inc 07JR514$2,941.70DlaSPE7M120V0036
Nov 6, 2017Phoenix Systems Engineering Inc 07JR513$2,931.75DlaSPE7M818P0472
Jun 30, 2017Rix Industries 289533$2,892.83DlaSPE7M017P4204

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 19 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 363-B4518.

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

DLA management data

FLIS unit price
$7,801.03
Unit of issue
EA
Acquisition advice
D — Stocked, centrally managed (DLA)
Source of supply
SMS
Effective
Oct 1, 2025

Item characteristics

Chamfer Angle In Deg
30.0
Chamfer Length
INCHES NOMINAL 0.030
Furnished Items
TOP INSIDE CHAMFER AND BOTTOM INSIDE CHAMFER
Groove Width
INCHES MINIMUM 0.187 AND INCHES MAXIMUM 0.192
Overall Length
INCHES NOMINAL 8.310
Flange Thickness
INCHES NOMINAL 2.530
Taper Length
INCHES NOMINAL 0.060
Bore Diameter
INCHES MINIMUM 2.750 AND INCHES MAXIMUM 2.751
Body Length
INCHES NOMINAL 4.800
Body Outside Diameter
INCHES NOMINAL 3.220
Metallic Hardness Rating
MINIMUM ROCKWELL C 45.0 AND MAXIMUM ROCKWELL C 50.0
End Item Identification
RIX INDUSTRIES MODEL 5R5B COMPRESSOR
Flange Outside Diameter
INCHES MINIMUM 3.496 AND INCHES MAXIMUM 3.497
Design Type
WET
Bottom Chamfer Angle In Deg
45.0
Bottom Chamfer Length
INCHES NOMINAL 0.060
Grooved Portion Outside Diameter
INCHES MINIMUM 3.246 AND INCHES MAXIMUM 3.247
Grooved Portion Width
INCHES NOMINAL 1.220
Special Features
FLANGE HAS 2 SEAL RING GROOVES; RING GROOVES ARE SQUARE CUT; 3RD STAGE CYLINDER
Material
STEEL CORROSION RESISTING
Proprietary Characteristics
PACS
Surface Treatment
CHROMIUM

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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