PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A8903Clamp,loop

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5340-00-598-0663 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-598-0663 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-598-0663. Primary manufacturer part number: A8903.
Features
  • Clamp,loop — FSC 5340
  • Tongue Hole Type: ROUND, UNTHREADED
  • Style Designator: SINGLE LOOP
  • Surface Treatment: CADMIUM BAND
  • Center to Center Distance Between Loop and Mounting Hole: 0.813 INCHES NOMINAL IN
  • Distance From Loop Center to Tongue End: 1.063 INCHES NOMINAL IN
  • Material Thickness: 0.047 INCHES NOMINAL IN
  • Material: STEEL BAND
Applications
  • Applications requiring Steel Band construction
General Description

The Clamp,loop, cataloged under National Stock Number 5340-00-598-0663, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5340-00-598-0663
Primary Part NumberA8903
Item NameClamp,loop
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Tongue Hole TypeROUND, UNTHREADED
Style DesignatorSINGLE LOOP
Surface TreatmentCADMIUM BAND
Center to Center Distance Between Loop and Mounting Hole0.813 INCHES NOMINAL IN
Distance From Loop Center to Tongue End1.063 INCHES NOMINAL IN
Material Thickness0.047 INCHES NOMINAL IN
MaterialSTEEL BAND
Diameter0.281 INCHES NOMINAL IN
Loop Inside Diameter0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2990-00-254-995489033 INTERCHANGEABLE
Muffler,exhaust
Briggs and Stratton Corp
5330-00-483-0310A8903 INTERCHANGEABLE
Packing
Crane Co Div Valve Div
6625-00-563-6857DP1211-1K INTERCHANGEABLE
Resistor,decade
Iet Labs Inc
6625-00-727-4713 INTERCHANGEABLE
Resistor,decade
4820-01-092-82168903 INTERCHANGEABLE
Parts Kit,ball Valve
Akron Brass Company
6625-01-208-18198903 INTERCHANGEABLE
Analyzer,audio
Keysight Technologies Inc
4030-01-267-42138903 INTERCHANGEABLE
Chain Fastener,angle
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
6530-01-566-108247-1539 INTERCHANGEABLE
Probe,radiation Detection
Ludlum Measurements Inc
7690-01-598-04008903 INTERCHANGEABLE
Decal
Silver Eagle Manufacturing Co
Cross-Reference Index
Part NumberManufacturer
A8903 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
8903 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
8903 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
2990-00-254-9954INTERCHANGEABLE
MUFFLER,EXHAUST
89033
5330-00-483-0310INTERCHANGEABLE
PACKING
A8903
6625-00-563-6857INTERCHANGEABLE
RESISTOR,DECADE
DP1211-1K
6625-00-727-4713INTERCHANGEABLE
RESISTOR,DECADE
4820-01-092-8216INTERCHANGEABLE
PARTS KIT,BALL VALVE
8903
6625-01-208-1819INTERCHANGEABLE
ANALYZER,AUDIO
8903
4030-01-267-4213INTERCHANGEABLE
CHAIN FASTENER,ANGLE
8903
6530-01-566-1082INTERCHANGEABLE
PROBE,RADIATION DETECTION
47-1539
7690-01-598-0400INTERCHANGEABLE
DECAL
8903

Frequently Asked Questions

What is NSN 5340-00-598-0663?

NSN 5340-00-598-0663 is a Clamp,loop, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-598-0663?

NSN 5340-00-598-0663 has 3 cross-referenced part numbers: A8903 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 8903 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 8903 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 5340-00-598-0663?

There are 9 known substitutes for 5340-00-598-0663: 2990-00-254-9954, 5330-00-483-0310, 6625-00-563-6857 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A8903?

Key specifications for A8903: Tongue Hole Type: ROUND, UNTHREADED; Style Designator: SINGLE LOOP; Surface Treatment: CADMIUM BAND; Center to Center Distance Between Loop and Mounting Hole: 0.813 INCHES NOMINAL IN. 10 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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