PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A21Clamp,hose

Emhart Industries Inc Hardware Div · NSN 4730-00-997-2247 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-997-2247 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-997-2247. Primary manufacturer part number: A21.
Features
  • Clamp,hose — FSC 4730
  • Surface Treatment: ZINC OVERALL
  • Fastening Device Type: SPRING TENSION
  • Inside Diameter: 1.281 INCHES MINIMUM AND 1.344 INCHES MAXIMUM IN
  • Style Designator: WIRE
  • Material: STEEL OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Emhart Industries Inc Hardware Div
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Clamp,hose, cataloged under National Stock Number 4730-00-997-2247, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Emhart Industries Inc Hardware Div. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-997-2247
Primary Part NumberA21
Item NameClamp,hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEmhart Industries Inc Hardware Div
StatusACTIVE
Surface TreatmentZINC OVERALL
Fastening Device TypeSPRING TENSION
Inside Diameter1.281 INCHES MINIMUM AND 1.344 INCHES MAXIMUM IN
Style DesignatorWIRE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3030-00-160-8280A21 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
4720-00-278-111412B 1/2ID 50 FT LG INTERCHANGEABLE
Hose,nonmetallic
Gates Corporation
5950-00-645-1972146-92-1 INTERCHANGEABLE
Transformer,audio Frequency
Kearfott Corporation Div Guidance and Navigation Division
1660-00-927-1996 INTERCHANGEABLE
Regulator,oxygen,demand
4820-00-937-5486 INTERCHANGEABLE
Diaphragm,valve,flat
4310-01-021-1589A21 INTERCHANGEABLE
Pin,piston
Gardner Denver Inc.
5330-01-107-33073950-0035 INTERCHANGEABLE
Packing,preformed
Schwien Engineering, Inc. Dba Schwien Engineering Inc
4320-01-114-7867 INTERCHANGEABLE
Base,pump
6625-01-297-33201019-00-0015 INTERCHANGEABLE
Sweep Generator Subassembly
Wavetek Rf Products, Inc
5305-01-344-8038 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
A21 PRIMARY Emhart Industries Inc Hardware Div (USA)
458535 Eastman Kodak Co (USA)
Related Parts
3030-00-160-8280INTERCHANGEABLE
BELT,V
A21
4720-00-278-1114INTERCHANGEABLE
HOSE,NONMETALLIC
12B 1/2ID 50 FT LG
5950-00-645-1972INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
146-92-1
1660-00-927-1996INTERCHANGEABLE
REGULATOR,OXYGEN,DEMAND
4820-00-937-5486INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
4310-01-021-1589INTERCHANGEABLE
PIN,PISTON
A21
5330-01-107-3307INTERCHANGEABLE
PACKING,PREFORMED
3950-0035
4320-01-114-7867INTERCHANGEABLE
BASE,PUMP
6625-01-297-3320INTERCHANGEABLE
SWEEP GENERATOR SUBASSEMBLY
1019-00-0015
5305-01-344-8038INTERCHANGEABLE
SCREW,MACHINE
6515-01-432-3208INTERCHANGEABLE
PROTECTOR,ORTHOPEDIC CAST
A21
6625-01-492-4712INTERCHANGEABLE
INCLINOMETER,ABSOLU

Frequently Asked Questions

What is NSN 4730-00-997-2247?

NSN 4730-00-997-2247 is a Clamp,hose, manufactured by Emhart Industries Inc Hardware Div, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-997-2247?

NSN 4730-00-997-2247 has 2 cross-referenced part numbers: A21 (Emhart Industries Inc Hardware Div), 458535 (Eastman Kodak Co).

What NSN replaces 4730-00-997-2247?

There are 12 known substitutes for 4730-00-997-2247: 3030-00-160-8280, 4720-00-278-1114, 5950-00-645-1972 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A21?

Key specifications for A21: Overall Width: 0.162 INCHES NOMINAL IN; Surface Treatment: ZINC OVERALL; Fastening Device Type: SPRING TENSION; Inside Diameter: 1.281 INCHES MINIMUM AND 1.344 INCHES MAXIMUM IN. 6 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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