PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12801Flange,inlet Fitting

Ingersoll-Rand Company Dba Ingersoll-Rand · NSN 1660-00-601-3685 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-601-3685 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-601-3685. Primary manufacturer part number: 12801.
Features
  • Flange,inlet Fitting — FSC 1660
  • General Characteristics Item Description: ALUMINUM ALLOY QQ-A-354 24ST4;ANODIZED QQ-A-696;1.125 IN. LG;0.531 IN. W;0.219 IN. THK;TWO 0.150 IN. DIA MTG HOLES ON 1.125 IN. DIA BOLT CIRCLE;HALF SECTION ONLY W/0.703 IN. DIA APERTURE IN
  • 1 verified cross-reference
  • Primary manufacturer: Ingersoll-Rand Company Dba Ingersoll-Rand
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flange,inlet Fitting, cataloged under National Stock Number 1660-00-601-3685, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Ingersoll-Rand Company Dba Ingersoll-Rand. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-00-601-3685
Primary Part Number12801
Item NameFlange,inlet Fitting
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerIngersoll-Rand Company Dba Ingersoll-Rand
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY QQ-A-354 24ST4;ANODIZED QQ-A-696;1.125 IN. LG;0.531 IN. W;0.219 IN. THK;TWO 0.150 IN. DIA MTG HOLES ON 1.125 IN. DIA BOLT CIRCLE;HALF SECTION ONLY W/0.703 IN. DIA APERTURE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5120-00-359-65611316 INTERCHANGEABLE
Screwdriver and Wrench Assembly
Kelly Manufacturing Company
5136-00-580-717054765 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
7105-01-026-83901280-1 INTERCHANGEABLE
Mirror,glass
Leidos, Inc. Div Cyber and Information Solutions Services
5315-01-085-6818LJ5DW812 INTERCHANGEABLE
Pin,quick Release
Hartwell Corporation
6240-01-168-157775/65PAR/SP/SS/120V INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
5805-01-286-5862SFLR-83 INTERCHANGEABLE
Telephone Set
Hose-Mccann Telephone Co, Inc
5805-01-294-4789SFLR-123 INTERCHANGEABLE
Telephone Set
Hose-Mccann Telephone Co, Inc
5120-01-430-7996 INTERCHANGEABLE
Handle,socket Wrench
5995-01-539-202312801-02 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cole Hersee Company
5995-01-539-204012801-05 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cole Hersee Company
Cross-Reference Index
Part NumberManufacturer
12801 PRIMARY Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
Related Parts
5120-00-359-6561INTERCHANGEABLE
SCREWDRIVER AND WRENCH ASSEMBLY
1316
5136-00-580-7170INTERCHANGEABLE
TAP,THREAD CUTTING
54765
7105-01-026-8390INTERCHANGEABLE
MIRROR,GLASS
1280-1
5315-01-085-6818INTERCHANGEABLE
PIN,QUICK RELEASE
LJ5DW812
6240-01-168-1577INTERCHANGEABLE
LAMP,INCANDESCENT
75/65PAR/SP/SS/120V
5805-01-286-5862INTERCHANGEABLE
TELEPHONE SET
SFLR-83
5805-01-294-4789INTERCHANGEABLE
TELEPHONE SET
SFLR-123
5120-01-430-7996INTERCHANGEABLE
HANDLE,SOCKET WRENCH
5995-01-539-2023INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
12801-02
5995-01-539-2040INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
12801-05
1005-01-675-9488INTERCHANGEABLE
BLOCK,BOLT,MACHINE GUN
12801

Frequently Asked Questions

What is NSN 1660-00-601-3685?

NSN 1660-00-601-3685 is a Flange,inlet Fitting, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-601-3685?

NSN 1660-00-601-3685 has 1 cross-referenced part number: 12801 (Ingersoll-Rand Company Dba Ingersoll-Rand).

What NSN replaces 1660-00-601-3685?

There are 11 known substitutes for 1660-00-601-3685: 5120-00-359-6561, 5136-00-580-7170, 7105-01-026-8390 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12801?

Key specifications for 12801: General Characteristics Item Description: ALUMINUM ALLOY QQ-A-354 24ST4;ANODIZED QQ-A-696;1.125 IN. LG;0.531 IN. W;0.219 IN. THK;TWO 0.150 IN. DIA MTG HOLES ON 1.125 IN. DIA BOLT CIRCLE;HALF SECTION ONLY W/0.703 IN. DIA APERTURE IN. 1 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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