PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30-306J11Clamp,loop

Umpco, Inc. Dba Umpco Inc · NSN 5340-01-530-2566 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-530-2566 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-530-2566. Primary manufacturer part number: 30-306J11.
Features
  • Clamp,loop — FSC 5340
  • Material Thickness: 0.032 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BUCKLE/CLIP
  • Material Document and Classification: MIL-R-25988, TYPE 2, CLASS 2, GRADE 50 MIL SPEC SINGLE MATERIAL RESPONSE CUSHION
  • Surface Treatment: PASSIVATE BUCKLE/CLIP
  • Material Document and Classification: AMS5510 ASSN STD SINGLE MATERIAL RESPONSE BUCKLE/CLIP
  • Style Designator: SINGLE LOOP
  • Material: RUBBER FLUOROSILICONE CLASS FQ CUSHION
Applications
  • Applications requiring Rubber Fluorosilicone Class Fq Cushion construction
General Description

The Clamp,loop, cataloged under National Stock Number 5340-01-530-2566, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-530-2566
Primary Part Number30-306J11
Item NameClamp,loop
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerUmpco, Inc. Dba Umpco Inc
StatusACTIVE
Material Thickness0.032 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BUCKLE/CLIP
Material Document and ClassificationMIL-R-25988, TYPE 2, CLASS 2, GRADE 50 MIL SPEC SINGLE MATERIAL RESPONSE CUSHION
Surface TreatmentPASSIVATE BUCKLE/CLIP
Material Document and ClassificationAMS5510 ASSN STD SINGLE MATERIAL RESPONSE BUCKLE/CLIP
Style DesignatorSINGLE LOOP
MaterialRUBBER FLUOROSILICONE CLASS FQ CUSHION
MaterialSTEEL CORROSION RESISTING BUCKLE/CLIP
Material Diameter0.032 INCHES NOMINAL IN
Diameter0.204 INCHES NOMINAL IN
Distance From Loop Center to Tongue End1.029 INCHES NOMINAL IN
Tongue Hole TypeROUND, UNTHREADED
Loop Inside Diameter0.688 INCHES NOMINAL IN
Center to Center Distance Between Loop and Mounting Hole0.811 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
3110-00-156-8022 INTERCHANGEABLE
Bearing,ball,duplex
6625-00-179-9034303-06 INTERCHANGEABLE
Voltmeter
Ballantine Laboratories Inc
1660-00-796-3436303-06 INTERCHANGEABLE
Diffuser,air,aircraft Heating an
Dukes Aerospace, Inc.
3110-01-085-124530306 INTERCHANGEABLE
Bearing,roller,tapered
Skf Usa Inc.
6680-01-187-81847111M79P01 INTERCHANGEABLE
Accelerometer,electrical,angular
Meggitt (orange County), Inc.
5305-01-350-605930306 INTERCHANGEABLE
Screw,cap,hexagon Head
Liquid Metronics Inc
3230-01-389-930030306 INTERCHANGEABLE
Bit,router
Black and Decker Us Inc
5330-01-444-263030306 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Hampton Hydraulics, Llc. Dba Great Bend Industries Div Hampton Hydraulics, Llc.
5340-01-545-134130-306J17 INTERCHANGEABLE
Clamp,loop
Bell Textron Inc
5340-01-545-134230-306J18 INTERCHANGEABLE
Clamp,loop
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
30-306 Bell Textron Inc (USA)
30-306J11 PRIMARY Umpco, Inc. Dba Umpco Inc (USA)
30-306J11 PRIMARY Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins (USA)
30-306J11 PRIMARY Ta Aerospace Co Div Ta Aerospace (USA)
30-306J11 Bell Textron Inc (USA)
Related Parts
3110-00-156-8022INTERCHANGEABLE
BEARING,BALL,DUPLEX
6625-00-179-9034INTERCHANGEABLE
VOLTMETER
303-06
1660-00-796-3436INTERCHANGEABLE
DIFFUSER,AIR,AIRCRAFT HEATING AN
303-06
3110-01-085-1245INTERCHANGEABLE
BEARING,ROLLER,TAPERED
30306
6680-01-187-8184INTERCHANGEABLE
ACCELEROMETER,ELECTRICAL,ANGULAR
7111M79P01
5305-01-350-6059INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
30306
3230-01-389-9300INTERCHANGEABLE
BIT,ROUTER
30306
5330-01-444-2630INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
30306
5340-01-545-1341INTERCHANGEABLE
CLAMP,LOOP
30-306J17
5340-01-545-1342INTERCHANGEABLE
CLAMP,LOOP
30-306J18
5340-01-545-1343INTERCHANGEABLE
CLAMP,LOOP
30-306J15
5340-01-545-1344INTERCHANGEABLE
CLAMP,LOOP
30-306J16

Frequently Asked Questions

What is NSN 5340-01-530-2566?

NSN 5340-01-530-2566 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-530-2566?

NSN 5340-01-530-2566 has 5 cross-referenced part numbers: 30-306 (Bell Textron Inc), 30-306J11 (Umpco, Inc. Dba Umpco Inc), 30-306J11 (Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins), 30-306J11 (Ta Aerospace Co Div Ta Aerospace), 30-306J11 (Bell Textron Inc).

What NSN replaces 5340-01-530-2566?

There are 12 known substitutes for 5340-01-530-2566: 3110-00-156-8022, 6625-00-179-9034, 1660-00-796-3436 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30-306J11?

Key specifications for 30-306J11: Material Thickness: 0.032 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BUCKLE/CLIP; Material Document and Classification: MIL-R-25988, TYPE 2, CLASS 2, GRADE 50 MIL SPEC SINGLE MATERIAL RESPONSE CUSHION; Surface Treatment: PASSIVATE BUCKLE/CLIP. 17 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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