PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

277D1476-513Duct Assembly,air Conditioning-H

Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace · NSN 1660-01-594-6486 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-01-594-6486 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-594-6486. Primary manufacturer part number: 277D1476-513.
Features
  • Duct Assembly,air Conditioning-H — FSC 1660
  • 2 verified cross-references
  • Primary manufacturer: Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-594-6486, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDuct Assembly,air Conditioning-H
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersExotic Metals Forming Company Llc Dba Exotic Metals Forming Co Llc Div Exotic Metals Forming Division (CAGE 06689); Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (CAGE 51563)
Technical Specifications
ParameterValue
NSN1660-01-594-6486
Primary Part Number277D1476-513
Item NameDuct Assembly,air Conditioning-H
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerRohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5133-00-234-5140 INTERCHANGEABLE
Drill,twist
2920-00-247-44511219 INTERCHANGEABLE
Magneto,ignition
Cummins Power Generation Inc.
4730-00-278-3560A733XS-97CFG INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4310-00-374-7799KK-9833 INTERCHANGEABLE
Ring,piston
Illinois Tool Works Inc.
5310-00-497-3176 INTERCHANGEABLE
Nut,plain,hexagon
2520-00-703-98862004176 INTERCHANGEABLE
Plate Clutch High S
General Motors Llc Dba General Motors Llc
3020-01-272-779812099 INTERCHANGEABLE
Pulley,groove
Westerbeke Corporation
5331-01-280-6511 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
12099 Exotic Metals Forming Company Llc Dba Exotic Metals Forming Co Llc Div Exotic Metals Forming Division (USA)
277D1476-513 PRIMARY Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA)
Related Parts
5133-00-234-5140INTERCHANGEABLE
DRILL,TWIST
2920-00-247-4451INTERCHANGEABLE
MAGNETO,IGNITION
1219
4730-00-278-3560INTERCHANGEABLE
NIPPLE,PIPE
A733XS-97CFG
4310-00-374-7799INTERCHANGEABLE
RING,PISTON
KK-9833
5310-00-497-3176INTERCHANGEABLE
NUT,PLAIN,HEXAGON
2520-00-703-9886INTERCHANGEABLE
PLATE CLUTCH HIGH S
2004176
3020-01-272-7798INTERCHANGEABLE
PULLEY,GROOVE
12099
5331-01-280-6511INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 1660-01-594-6486?

NSN 1660-01-594-6486 is a Duct Assembly,air Conditioning-H, manufactured by Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-01-594-6486?

NSN 1660-01-594-6486 has 2 cross-referenced part numbers: 12099 (Exotic Metals Forming Company Llc Dba Exotic Metals Forming Co Llc Div Exotic Metals Forming Division), 277D1476-513 (Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace).

What NSN replaces 1660-01-594-6486?

There are 8 known substitutes for 1660-01-594-6486: 5133-00-234-5140, 2920-00-247-4451, 4730-00-278-3560 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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