PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1401DKit,shaft Seal

Sargent-Welch Scientific Co · NSN 5330-01-451-3077 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-451-3077 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-451-3077. Primary manufacturer part number: 1401D.
Features
  • Kit,shaft Seal — FSC 5330
  • General Characteristics Item Description: FOR SHAFT ON WELCH VACUUM PUMP MODEL 1402; INCLUDES SEAL AND HOUSING ASSEMBLY, GASKET AND SCREW; 3/4 IN. DIAMETER SHAFT IN
  • 1 verified cross-reference
  • Primary manufacturer: Sargent-Welch Scientific Co
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Kit,shaft Seal, cataloged under National Stock Number 5330-01-451-3077, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sargent-Welch Scientific Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-451-3077
Primary Part Number1401D
Item NameKit,shaft Seal
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSargent-Welch Scientific Co
StatusACTIVE
General Characteristics Item DescriptionFOR SHAFT ON WELCH VACUUM PUMP MODEL 1402; INCLUDES SEAL AND HOUSING ASSEMBLY, GASKET AND SCREW; 3/4 IN. DIAMETER SHAFT IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6625-00-585-39917904758 INTERCHANGEABLE
Capacitance Standard,fixed
Us Army Aviation and Missile Command
5330-01-476-24181401D INTERCHANGEABLE
Seal,plain
Welch Vacuum Technology Inc
Cross-Reference Index
Part NumberManufacturer
1401D Sargent-Welch Scientific Co (USA)
Related Parts
6625-00-585-3991INTERCHANGEABLE
CAPACITANCE STANDARD,FIXED
7904758
5330-01-476-2418INTERCHANGEABLE
SEAL,PLAIN
1401D

Frequently Asked Questions

What is NSN 5330-01-451-3077?

NSN 5330-01-451-3077 is a Kit,shaft Seal, manufactured by Sargent-Welch Scientific Co, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-451-3077?

NSN 5330-01-451-3077 has 1 cross-referenced part number: 1401D (Sargent-Welch Scientific Co).

What NSN replaces 5330-01-451-3077?

There are 2 known substitutes for 5330-01-451-3077: 6625-00-585-3991, 5330-01-476-2418. Verify interchangeability with system specifications before substitution.

What are the specifications of 1401D?

Key specifications for 1401D: General Characteristics Item Description: FOR SHAFT ON WELCH VACUUM PUMP MODEL 1402; INCLUDES SEAL AND HOUSING ASSEMBLY, GASKET AND SCREW; 3/4 IN. DIAMETER SHAFT IN. 1 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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