PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1649Packing,preformed

Crane Co Div Valve Div · NSN 5330-00-738-4437 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-738-4437 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-738-4437. Primary manufacturer part number: S1649.
Features
  • Packing,preformed — FSC 5330
  • Cross-Sectional Shape Style: U
  • Center Hole Diameter: 1.250 INCHES NOMINAL IN
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Peripheral Diameter: 1.750 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Crane Co Div Valve Div
Applications
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Packing,preformed, cataloged under National Stock Number 5330-00-738-4437, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Crane Co Div Valve Div. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-738-4437
Primary Part NumberS1649
Item NamePacking,preformed
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerCrane Co Div Valve Div
StatusACTIVE
Cross-Sectional Shape StyleU
Center Hole Diameter1.250 INCHES NOMINAL IN
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Peripheral Diameter1.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4140-00-481-3858 INTERCHANGEABLE
Impeller,fan,centrifugal
4820-01-237-9778 INTERCHANGEABLE
Disk,valve
3040-01-310-17350051359 INTERCHANGEABLE
Bracket,eye,rotating Shaft
Survival Systems International, Inc
Cross-Reference Index
Part NumberManufacturer
005-135 Freudenberg-Nok General Partnership (USA)
S1649 PRIMARY Crane Co Div Valve Div (USA)
Related Parts
4140-00-481-3858INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
4820-01-237-9778INTERCHANGEABLE
DISK,VALVE
3040-01-310-1735INTERCHANGEABLE
BRACKET,EYE,ROTATING SHAFT
0051359

Frequently Asked Questions

What is NSN 5330-00-738-4437?

NSN 5330-00-738-4437 is a Packing,preformed, manufactured by Crane Co Div Valve Div, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-738-4437?

NSN 5330-00-738-4437 has 2 cross-referenced part numbers: 005-135 (Freudenberg-Nok General Partnership), S1649 (Crane Co Div Valve Div).

What NSN replaces 5330-00-738-4437?

There are 3 known substitutes for 5330-00-738-4437: 4140-00-481-3858, 4820-01-237-9778, 3040-01-310-1735. Verify interchangeability with system specifications before substitution.

What are the specifications of S1649?

Key specifications for S1649: Cross-Sectional Shape Style: U; Center Hole Diameter: 1.250 INCHES NOMINAL IN; Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL; Peripheral Diameter: 1.750 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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