PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51X14Seal,plain Encased

Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc · NSN 5330-00-634-8654 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-634-8654 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-634-8654. Primary manufacturer part number: 51X14.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Diameter: 0.375 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Seal Width: 0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
  • Housing Bore Diameter: 0.750 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Accommodated Shaft Maximum Rated Speed: 1000 FEET PER MINUTE FT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-634-8654, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-634-8654
Primary Part Number51X14
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerGarlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
StatusCANCELLED
Accommodated Shaft Diameter0.375 INCHES NOMINAL IN
MaterialSTEEL CASE
Seal Width0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
Housing Bore Diameter0.750 INCHES NOMINAL IN
Sealing Element StyleANGULAR
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Accommodated Shaft Maximum Rated Speed1000 FEET PER MINUTE FT
Case StyleSQUARE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
6610-00-580-956427358 INTERCHANGEABLE
Indicator,attitude
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
4820-00-922-140127358 INTERCHANGEABLE
Retainer,pendulum,v
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
6145-01-576-528827358 INTERCHANGEABLE
Cable,special Purpose,electrical
Cables to Go
Cross-Reference Index
Part NumberManufacturer
TP157 Telectro Systems Corp
51X14 PRIMARY Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
27358 Seagrave Corp the (USA)
75M105 Boehme H O Inc
14 PRIMARY Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
21681-14 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
65X14 PRIMARY Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
63X14 Chromex Distribution (FRA)
Related Parts
6610-00-580-9564INTERCHANGEABLE
INDICATOR,ATTITUDE
27358
4820-00-922-1401INTERCHANGEABLE
RETAINER,PENDULUM,V
27358
6145-01-576-5288INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
27358

Frequently Asked Questions

What is NSN 5330-00-634-8654?

NSN 5330-00-634-8654 is a Seal,plain Encased, manufactured by Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-634-8654?

NSN 5330-00-634-8654 has 8 cross-referenced part numbers: TP157 (Telectro Systems Corp), 51X14 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc), 27358 (Seagrave Corp the), 75M105 (Boehme H O Inc), 14 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc) and 3 more.

What NSN replaces 5330-00-634-8654?

There are 3 known substitutes for 5330-00-634-8654: 6610-00-580-9564, 4820-00-922-1401, 6145-01-576-5288. Verify interchangeability with system specifications before substitution.

What are the specifications of 51X14?

Key specifications for 51X14: Accommodated Shaft Diameter: 0.375 INCHES NOMINAL IN; Material: STEEL CASE; Seal Width: 0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN; Housing Bore Diameter: 0.750 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-634-8654 still in active supply?

NSN 5330-00-634-8654 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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