PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MM29Seal,plain Encased

W S Darley & Co · NSN 5330-00-171-9380 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-171-9380 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-171-9380. Primary manufacturer part number: MM29.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Housing Bore Diameter: 0.999 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Seal Width: 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
  • Accommodated Shaft Diameter: 0.312 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather or Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-171-9380, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is W S Darley & Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-171-9380
Primary Part NumberMM29
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerW S Darley & Co
StatusACTIVE
Sealing Element StyleANGULAR
Housing Bore Diameter0.999 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Seal Width0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
Accommodated Shaft Diameter0.312 INCHES NOMINAL IN
Case StyleSQUARE
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5905-00-008-165050195 INTERCHANGEABLE
Resistor,variable,wire Wound,non
L'hotellier SAS
5330-00-369-2604MM29 INTERCHANGEABLE
Gasket
Circor Naval Solutions Llc Dba Warren Pumps
5360-00-461-601350195 INTERCHANGEABLE
Spring,helical,compression
Woodward Hrt Inc
5330-00-663-873650195 INTERCHANGEABLE
Seal,plain Encased
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5305-00-850-39105-40-1-4 INTERCHANGEABLE
Screw,cap,socket Head
All Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners
5965-01-087-0873 INTERCHANGEABLE
Microphone,remote
5342-01-233-3134 INTERCHANGEABLE
Bracket,hose Suppor
2510-01-314-5805N50195 INTERCHANGEABLE
Link,cam,valve Operator
Leslie Controls, Inc. Dba Leslie Controls Inc
4470-01-466-0669 INTERCHANGEABLE
Threaded Bushing
7910-01-564-355350-195 INTERCHANGEABLE
Bag,dust Collector
Porter Cable/delta
Cross-Reference Index
Part NumberManufacturer
MM29 W S Darley & Co (USA)
50195 Federal-Mogul Corp Government Sales Dept (USA)
50195 Federal-Mogul Corp Chassis Products Div (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
105 Athey Products Corp (USA)
Related Parts
5905-00-008-1650INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
50195
5330-00-369-2604INTERCHANGEABLE
GASKET
MM29
5360-00-461-6013INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
50195
5330-00-663-8736INTERCHANGEABLE
SEAL,PLAIN ENCASED
50195
5305-00-850-3910INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5-40-1-4
5965-01-087-0873INTERCHANGEABLE
MICROPHONE,REMOTE
5342-01-233-3134INTERCHANGEABLE
BRACKET,HOSE SUPPOR
2510-01-314-5805INTERCHANGEABLE
LINK,CAM,VALVE OPERATOR
N50195
4470-01-466-0669INTERCHANGEABLE
THREADED BUSHING
7910-01-564-3553INTERCHANGEABLE
BAG,DUST COLLECTOR
50-195

Frequently Asked Questions

What is NSN 5330-00-171-9380?

NSN 5330-00-171-9380 is a Seal,plain Encased, manufactured by W S Darley & Co, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-171-9380?

NSN 5330-00-171-9380 has 5 cross-referenced part numbers: MM29 (W S Darley & Co), 50195 (Federal-Mogul Corp Government Sales Dept), 50195 (Federal-Mogul Corp Chassis Products Div), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 105 (Athey Products Corp).

What NSN replaces 5330-00-171-9380?

There are 10 known substitutes for 5330-00-171-9380: 5905-00-008-1650, 5330-00-369-2604, 5360-00-461-6013 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MM29?

Key specifications for MM29: Sealing Element Style: ANGULAR; Housing Bore Diameter: 0.999 INCHES NOMINAL IN; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Seal Width: 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN. 7 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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