PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B171Seal,plain Encased

WS Darley & Co Div Ohler Pump · NSN 5330-00-829-2764 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-829-2764 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-829-2764. Primary manufacturer part number: B171.
Features
  • Seal,plain Encased — FSC 5330
  • 8 verified cross-references
  • Primary manufacturer: WS Darley & Co Div Ohler Pump
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-829-2764, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is WS Darley & Co Div Ohler Pump. This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeal,plain Encased
FSC / FSG5330 — No Item Name Available (FSG 53)
ManufacturersEdgewood Chemical Biological Center Ecbc (CAGE 81361); Itt Marlow a Unit of Itt Pumps and Compressors Div (CAGE 38455); WS Darley & Co Div Ohler Pump (CAGE 00299); Davey Compressor Co Div of Keco Industries Inc (CAGE 16004); Hdt Expeditionary Systems Inc (CAGE 92878)
Technical Specifications
ParameterValue
NSN5330-00-829-2764
Primary Part NumberB171
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerWS Darley & Co Div Ohler Pump
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5955-00-137-4168B17-1 INTERCHANGEABLE
Crystal Unit,quartz
Bliley Technologies Inc
2520-00-213-008826136 INTERCHANGEABLE
Shaft,axle,automotive
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
2520-00-256-227826-136 INTERCHANGEABLE
Gear and Pin Assembly
Napco International Llc Dba Napco International Inc
6250-00-295-2735 INTERCHANGEABLE
Ballast,lamp
3120-00-352-30504500171-6 INTERCHANGEABLE
Bearing,sleeve
Agco Corp Parts Opn
5340-00-498-9541SCC27982GR0UPII INTERCHANGEABLE
Strap,webbing
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-01-004-4893B7212-234-17-1 INTERCHANGEABLE
Gasket
Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics
6625-01-296-357926136 INTERCHANGEABLE
Test Set Subassembly,electrical
Avo Intl
5915-01-340-1897B171 INTERCHANGEABLE
Filter,radio Frequency Interfere
Wavetek Rf Products, Inc
5325-01-350-051526136 INTERCHANGEABLE
Ring,retaining
Liquid Metronics Inc
Cross-Reference Index
Part NumberManufacturer
C5-45-2754 Edgewood Chemical Biological Center Ecbc (USA)
26136-00 Itt Marlow a Unit of Itt Pumps and Compressors Div (USA)
B171 PRIMARY WS Darley & Co Div Ohler Pump (USA)
B43808 Davey Compressor Co Div of Keco Industries Inc (USA)
B43808 Hdt Expeditionary Systems Inc (USA)
26136 Itt Marlow a Unit of Itt Pumps and Compressors Div (USA)
B43808 Drs Environmental Systems Inc (USA)
B5-45-2754 Edgewood Chemical Biological Center Ecbc (USA)
Related Parts
5955-00-137-4168INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
B17-1
2520-00-213-0088INTERCHANGEABLE
SHAFT,AXLE,AUTOMOTIVE
26136
2520-00-256-2278INTERCHANGEABLE
GEAR AND PIN ASSEMBLY
26-136
6250-00-295-2735INTERCHANGEABLE
BALLAST,LAMP
3120-00-352-3050INTERCHANGEABLE
BEARING,SLEEVE
4500171-6
5340-00-498-9541INTERCHANGEABLE
STRAP,WEBBING
SCC27982GR0UPII
5330-01-004-4893INTERCHANGEABLE
GASKET
B7212-234-17-1
6625-01-296-3579INTERCHANGEABLE
TEST SET SUBASSEMBLY,ELECTRICAL
26136
5915-01-340-1897INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
B171
5325-01-350-0515INTERCHANGEABLE
RING,RETAINING
26136
5998-01-387-8004INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
C153

Frequently Asked Questions

What is NSN 5330-00-829-2764?

NSN 5330-00-829-2764 is a Seal,plain Encased, manufactured by WS Darley & Co Div Ohler Pump, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-829-2764?

NSN 5330-00-829-2764 has 8 cross-referenced part numbers: C5-45-2754 (Edgewood Chemical Biological Center Ecbc), 26136-00 (Itt Marlow a Unit of Itt Pumps and Compressors Div), B171 (WS Darley & Co Div Ohler Pump), B43808 (Davey Compressor Co Div of Keco Industries Inc), B43808 (Hdt Expeditionary Systems Inc) and 3 more.

What NSN replaces 5330-00-829-2764?

There are 11 known substitutes for 5330-00-829-2764: 5955-00-137-4168, 2520-00-213-0088, 2520-00-256-2278 and 8 more. Verify interchangeability with system specifications before substitution.

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