PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HK9C21-176Clamp,hose

Ho-Ho-Kus, Inc · NSN 4730-01-338-1160 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-338-1160 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-338-1160. Primary manufacturer part number: HK9C21-176.
Features
  • Clamp,hose — FSC 4730
  • Material: STEEL COMP 410 SCREW
  • Inside Diameter: 4.563 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE SCREW
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 201 OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Style Designator: WIRE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 410 Screw construction
General Description

The Clamp,hose, cataloged under National Stock Number 4730-01-338-1160, 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 Ho-Ho-Kus, Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 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
NSN4730-01-338-1160
Primary Part NumberHK9C21-176
Item NameClamp,hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHo-Ho-Kus, Inc
StatusACTIVE
MaterialSTEEL COMP 410 SCREW
Inside Diameter4.563 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE SCREW
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 201 OVERALL
Surface TreatmentPASSIVATE OVERALL
Style DesignatorWIRE
Fastening Device TypeSLOTTED HEXAGON HEAD SCREW
Material Document and ClassificationMIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OR 66 FED STD ALL MATERIAL RESPONSES OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3030-00-033-280117481 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
4710-00-362-18599480 INTERCHANGEABLE
Tube Assembly,metal
Cummins Inc.
5950-00-818-6952722801-21 INTERCHANGEABLE
Transformer,power
Raytheon Company Div Rmd Strategic
4730-01-176-5971HTM-550-LB INTERCHANGEABLE
Clamp,hose
Norma Pennsylvania Inc. Div Breeze Industrial Products
2530-01-273-47809-480 INTERCHANGEABLE
Weight,wheel Balancing
Standard Motor Products Inc Champ Service Line Div
6230-01-707-41889480 RALS INTERCHANGEABLE
Floodlight Assembly
Pelican Products, Inc. Dba Pelican Products Inc
Cross-Reference Index
Part NumberManufacturer
HK9C21-176 PRIMARY Ho-Ho-Kus, Inc (USA)
9480 Norma Pennsylvania Inc. Div Breeze Industrial Products (USA)
9480H B PRIMARY Norma Pennsylvania Inc. Div Breeze Industrial Products (USA)
2948-176 Wittek Companies Intl Inc (USA)
9D0021 The Boeing Company (USA)
WWD176HS Wittek Companies Intl Inc (USA)
9D0021-176 The Boeing Company (USA)
Related Parts
3030-00-033-2801INTERCHANGEABLE
BELT,V
17481
4710-00-362-1859INTERCHANGEABLE
TUBE ASSEMBLY,METAL
9480
5950-00-818-6952INTERCHANGEABLE
TRANSFORMER,POWER
722801-21
4730-01-176-5971INTERCHANGEABLE
CLAMP,HOSE
HTM-550-LB
2530-01-273-4780INTERCHANGEABLE
WEIGHT,WHEEL BALANCING
9-480
6230-01-707-4188INTERCHANGEABLE
FLOODLIGHT ASSEMBLY
9480 RALS

Frequently Asked Questions

What is NSN 4730-01-338-1160?

NSN 4730-01-338-1160 is a Clamp,hose, manufactured by Ho-Ho-Kus, Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-338-1160?

NSN 4730-01-338-1160 has 7 cross-referenced part numbers: HK9C21-176 (Ho-Ho-Kus, Inc), 9480 (Norma Pennsylvania Inc. Div Breeze Industrial Products), 9480H B (Norma Pennsylvania Inc. Div Breeze Industrial Products), 2948-176 (Wittek Companies Intl Inc), 9D0021 (The Boeing Company) and 2 more.

What NSN replaces 4730-01-338-1160?

There are 6 known substitutes for 4730-01-338-1160: 3030-00-033-2801, 4710-00-362-1859, 5950-00-818-6952 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HK9C21-176?

Key specifications for HK9C21-176: Material: STEEL COMP 410 SCREW; Inside Diameter: 4.563 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE SCREW; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 11 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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