PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11640377-9Register,metal

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 4520-01-178-6680 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-178-6680 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-178-6680. Primary manufacturer part number: 11640377-9.
Features
  • Register,metal — FSC 4520
  • Grille Bar Position: HORIZONTAL
  • Frame Type: FLAT
  • Shape: SQUARE
  • Material: STEEL
  • Deflector Blade Operating Method: HAND-LEVER
  • Grille Quantity: 2
  • Blade Vertical Surface Axis Position: HORIZONTAL
Applications
  • Applications requiring Steel construction
General Description

The Register,metal, cataloged under National Stock Number 4520-01-178-6680, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-178-6680
Primary Part Number11640377-9
Item NameRegister,metal
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Grille Bar PositionHORIZONTAL
Frame TypeFLAT
ShapeSQUARE
MaterialSTEEL
Deflector Blade Operating MethodHAND-LEVER
Grille Quantity2
Blade Vertical Surface Axis PositionHORIZONTAL
Frame RemovabilityREMOVABLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5999-00-111-3986 INTERCHANGEABLE
Contact,electrical
3825-00-164-250710827 INTERCHANGEABLE
Blade,fan Rotor
Klauer Manufacturing Company
5310-00-216-799610827 INTERCHANGEABLE
Nut,bearing
Rps-Fl, Inc. Dba Rps Inc
4730-00-278-6319084-01592 INTERCHANGEABLE
Coupling,pipe
Rogers Brothers Corp
1630-00-304-547610827 INTERCHANGEABLE
Shaft,brake Valve
Moog Military Aircraft Llc
5999-00-481-561001-0102-0827 INTERCHANGEABLE
Wire Mesh,knitted
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
2530-01-132-493818049 INTERCHANGEABLE
Spindle,wheel,driving-Nondriving
Landoll Company, Llc
5998-01-458-8052906-10827 INTERCHANGEABLE
Circuit Card Assembly
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
3110-01-503-169710827 INTERCHANGEABLE
Cone,tapered Roller Bearing
Climax Portable Machine Tools, Inc
5305-01-510-127513005726 INTERCHANGEABLE
Screw,shoulder
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Cross-Reference Index
Part NumberManufacturer
11640377-9 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
11640377 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
10827 Interpace Corp Hart and Cooley Div (USA)
11640377-9 Interpace Corp Hart and Cooley Div (USA)
Related Parts
5999-00-111-3986INTERCHANGEABLE
CONTACT,ELECTRICAL
3825-00-164-2507INTERCHANGEABLE
BLADE,FAN ROTOR
10827
5310-00-216-7996INTERCHANGEABLE
NUT,BEARING
10827
4730-00-278-6319INTERCHANGEABLE
COUPLING,PIPE
084-01592
1630-00-304-5476INTERCHANGEABLE
SHAFT,BRAKE VALVE
10827
5999-00-481-5610INTERCHANGEABLE
WIRE MESH,KNITTED
01-0102-0827
2530-01-132-4938INTERCHANGEABLE
SPINDLE,WHEEL,DRIVING-NONDRIVING
18049
5998-01-458-8052INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
906-10827
3110-01-503-1697INTERCHANGEABLE
CONE,TAPERED ROLLER BEARING
10827
5305-01-510-1275INTERCHANGEABLE
SCREW,SHOULDER
13005726

Frequently Asked Questions

What is NSN 4520-01-178-6680?

NSN 4520-01-178-6680 is a Register,metal, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-178-6680?

NSN 4520-01-178-6680 has 4 cross-referenced part numbers: 11640377-9 (U S Army Tank Automotive Command Amsta-Im-Mm), 11640377 (U S Army Tank Automotive Command Amsta-Im-Mm), 10827 (Interpace Corp Hart and Cooley Div), 11640377-9 (Interpace Corp Hart and Cooley Div).

What NSN replaces 4520-01-178-6680?

There are 10 known substitutes for 4520-01-178-6680: 5999-00-111-3986, 3825-00-164-2507, 5310-00-216-7996 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11640377-9?

Key specifications for 11640377-9: Grille Bar Position: HORIZONTAL; Frame Type: FLAT; Shape: SQUARE; Material: STEEL. 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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