PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3951800Retainer,packing

Alfa Laval Inc · NSN 5330-01-384-3449 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-384-3449 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-384-3449. Primary manufacturer part number: 3951800.
Features
  • Retainer,packing — FSC 5330
  • Cross-Sectional Shape Style: SQUARE/RECTANGULAR
  • Cross-Sectional Height: 0.078 INCHES NOMINAL IN
  • Center Hole Diameter: 0.402 INCHES NOMINAL IN
  • Peripheral Diameter: 0.598 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Alfa Laval Inc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Retainer,packing, cataloged under National Stock Number 5330-01-384-3449, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Alfa Laval Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-384-3449
Primary Part Number3951800
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerAlfa Laval Inc
StatusACTIVE
Cross-Sectional Shape StyleSQUARE/RECTANGULAR
Cross-Sectional Height0.078 INCHES NOMINAL IN
Center Hole Diameter0.402 INCHES NOMINAL IN
Peripheral Diameter0.598 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-629-1708PS39518 INTERCHANGEABLE
Bearing,ball,annular
Honeywell International Inc. Div Aerospace - Torrance
4820-01-156-827839518 INTERCHANGEABLE
Seat,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5930-01-221-05193951-8 INTERCHANGEABLE
Switch,sensitive
Atlas Metal Industries Inc
5360-01-261-1785395-18 INTERCHANGEABLE
Spring,helical,compression
Chicago Faucet Co the
Cross-Reference Index
Part NumberManufacturer
548978 ITEM 17 Alfa Laval Inc (USA)
39518 Alfa Laval Inc (USA)
3951800 PRIMARY Alfa Laval Inc (USA)
Related Parts
3110-00-629-1708INTERCHANGEABLE
BEARING,BALL,ANNULAR
PS39518
4820-01-156-8278INTERCHANGEABLE
SEAT,VALVE
39518
5930-01-221-0519INTERCHANGEABLE
SWITCH,SENSITIVE
3951-8
5360-01-261-1785INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
395-18

Frequently Asked Questions

What is NSN 5330-01-384-3449?

NSN 5330-01-384-3449 is a Retainer,packing, manufactured by Alfa Laval Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-384-3449?

NSN 5330-01-384-3449 has 3 cross-referenced part numbers: 548978 ITEM 17 (Alfa Laval Inc), 39518 (Alfa Laval Inc), 3951800 (Alfa Laval Inc).

What NSN replaces 5330-01-384-3449?

There are 4 known substitutes for 5330-01-384-3449: 3110-00-629-1708, 4820-01-156-8278, 5930-01-221-0519 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3951800?

Key specifications for 3951800: Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Cross-Sectional Height: 0.078 INCHES NOMINAL IN; Center Hole Diameter: 0.402 INCHES NOMINAL IN; Peripheral Diameter: 0.598 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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