PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6597Seal,plain

Cr Services · NSN 5330-01-577-4756 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-577-4756 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-577-4756. Primary manufacturer part number: 6597.
Features
  • Seal,plain — FSC 5330
  • Material: RUBBER SYNTHETIC OVERALL
  • Housing Bore Diameter: 1.573 INCHES NOMINAL IN
  • Seal Width: 0.281 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Cr Services
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Seal,plain, cataloged under National Stock Number 5330-01-577-4756, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cr Services. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-577-4756
Primary Part Number6597
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerCr Services
StatusACTIVE
MaterialRUBBER SYNTHETIC OVERALL
Housing Bore Diameter1.573 INCHES NOMINAL IN
Seal Width0.281 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5985-00-385-1643 INTERCHANGEABLE
Antenna Control Subassembly
5310-00-441-87076597 INTERCHANGEABLE
Washer,flat
Birnbach Co Inc
4820-01-215-12156597 INTERCHANGEABLE
Valve,globe
Imi Cash Valve Inc
6145-01-256-59726597 INTERCHANGEABLE
Cable,special Purpose,electrical
K and J Associates Inc
5340-01-513-31256597 INTERCHANGEABLE
Handle,crank
Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co
5330-01-577-47513171 INTERCHANGEABLE
Seal,plain
Cr Services
Cross-Reference Index
Part NumberManufacturer
G675840-2 Raytheon Company Div Corp (USA)
6597 Raytheon Company Div Corp (USA)
G675840 Raytheon Company Div Corp (USA)
6597 PRIMARY Cr Services (USA)
Related Parts
5985-00-385-1643INTERCHANGEABLE
ANTENNA CONTROL SUBASSEMBLY
5310-00-441-8707INTERCHANGEABLE
WASHER,FLAT
6597
4820-01-215-1215INTERCHANGEABLE
VALVE,GLOBE
6597
6145-01-256-5972INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
6597
5340-01-513-3125INTERCHANGEABLE
HANDLE,CRANK
6597
5330-01-577-4751INTERCHANGEABLE
SEAL,PLAIN
3171

Frequently Asked Questions

What is NSN 5330-01-577-4756?

NSN 5330-01-577-4756 is a Seal,plain, manufactured by Cr Services, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-577-4756?

NSN 5330-01-577-4756 has 4 cross-referenced part numbers: G675840-2 (Raytheon Company Div Corp), 6597 (Raytheon Company Div Corp), G675840 (Raytheon Company Div Corp), 6597 (Cr Services).

What NSN replaces 5330-01-577-4756?

There are 6 known substitutes for 5330-01-577-4756: 5985-00-385-1643, 5310-00-441-8707, 4820-01-215-1215 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6597?

Key specifications for 6597: Part Name Assigned by Controlling Agency: SPRING LOADED SHAFT SEAL; Material: RUBBER SYNTHETIC OVERALL; Special Features: SEAL OD 1.577 NOMINAL INCH; Housing Bore Diameter: 1.573 INCHES NOMINAL IN. 5 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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