PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S281-5Clamp,loop

Umpco, Inc. Dba Umpco Inc · NSN 5340-00-536-6671 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-536-6671 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-536-6671. Primary manufacturer part number: S281-5.
Features
  • Clamp,loop — FSC 5340
  • Material: PLASTIC TETRAFLUOROETHYLENE CUSHION
  • Material Document and Classification: QA-A-250/5TEMPER0ORT3ORT4 FED SPEC SINGLE MATERIAL RESPONSE BAND
  • Tongue Hole Type: ROUND, UNTHREADED
  • Material Thickness: 0.032 INCHES NOMINAL IN
  • Diameter: 0.204 INCHES NOMINAL IN
  • Center to Center Distance Between Loop and Mounting Hole: 0.549 INCHES NOMINAL IN
  • Loop Inside Diameter: 0.313 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic Tetrafluoroethylene Cushion construction
General Description

The Clamp,loop, cataloged under National Stock Number 5340-00-536-6671, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Umpco, Inc. Dba Umpco Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-536-6671
Primary Part NumberS281-5
Item NameClamp,loop
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerUmpco, Inc. Dba Umpco Inc
StatusCANCELLED
MaterialPLASTIC TETRAFLUOROETHYLENE CUSHION
Material Document and ClassificationQA-A-250/5TEMPER0ORT3ORT4 FED SPEC SINGLE MATERIAL RESPONSE BAND
Tongue Hole TypeROUND, UNTHREADED
Material Thickness0.032 INCHES NOMINAL IN
Diameter0.204 INCHES NOMINAL IN
Center to Center Distance Between Loop and Mounting Hole0.549 INCHES NOMINAL IN
Loop Inside Diameter0.313 INCHES NOMINAL IN
Distance From Loop Center to Tongue End0.737 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 2024 BAND
Style DesignatorOFFSET MOUNT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 10
No Item Name Available
2805-00-212-9008S2815 INTERCHANGEABLE
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Meter,special Scale
Cross-Reference Index
Part NumberManufacturer
TA4C76WD5X Ta Aerospace Co Div Ta Aerospace (USA)
S281-5 PRIMARY Umpco, Inc. Dba Umpco Inc (USA)
C2037-5 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
JM43LC14WD5X PRIMARY J & M Products, Inc (USA)
TA04C76WD05X PRIMARY Ta Aerospace Co Div Ta Aerospace (USA)
385-5 PRIMARY Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins (USA)
Related Parts
5340-01-108-6962SUCCESSOR
NO ITEM NAME AVAILABLE
2805-00-212-9008INTERCHANGEABLE
VALVE,POPPET,ENGINE
S2815
5120-00-293-2786INTERCHANGEABLE
WRENCH,SPANNER
3855
4510-00-318-8207INTERCHANGEABLE
HANDLE,WATER TANK
8681887
5330-00-399-6959INTERCHANGEABLE
GASKET,E,HAUST
17332
4910-00-468-9710INTERCHANGEABLE
CENTER SQUARE
15861CTRSQ
2530-01-023-8391INTERCHANGEABLE
LATCH PEDAL,FRONT AXLE
3855
5330-01-143-7385INTERCHANGEABLE
PACKING
5930-01-203-5929INTERCHANGEABLE
SWITCH,TOGGLE
3855
6625-01-415-3690INTERCHANGEABLE
METER,SPECIAL SCALE

Frequently Asked Questions

What is NSN 5340-00-536-6671?

NSN 5340-00-536-6671 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-536-6671?

NSN 5340-00-536-6671 has 6 cross-referenced part numbers: TA4C76WD5X (Ta Aerospace Co Div Ta Aerospace), S281-5 (Umpco, Inc. Dba Umpco Inc), C2037-5 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), JM43LC14WD5X (J & M Products, Inc), TA04C76WD05X (Ta Aerospace Co Div Ta Aerospace) and 1 more.

What NSN replaces 5340-00-536-6671?

There are 10 known substitutes for 5340-00-536-6671: 5340-01-108-6962, 2805-00-212-9008, 5120-00-293-2786 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S281-5?

Key specifications for S281-5: Material: PLASTIC TETRAFLUOROETHYLENE CUSHION; Material Document and Classification: QA-A-250/5TEMPER0ORT3ORT4 FED SPEC SINGLE MATERIAL RESPONSE BAND; Tongue Hole Type: ROUND, UNTHREADED; Material Thickness: 0.032 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-536-6671 still in active supply?

NSN 5340-00-536-6671 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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