PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10803Valve Assy,vent and

Mission Systems Orchard Park Inc · NSN 1660-00-347-8686 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-347-8686 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-347-8686. Primary manufacturer part number: 10803.
Features
  • Valve Assy,vent and — FSC 1660
  • 2 verified cross-references
  • Primary manufacturer: Mission Systems Orchard Park Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assy,vent and, cataloged under National Stock Number 1660-00-347-8686, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Mission Systems Orchard Park Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve Assy,vent and
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersMission Systems Orchard Park Inc (CAGE 04577); Ingersoll-Rand Company Dba Ingersoll-Rand (CAGE 03990)
Technical Specifications
ParameterValue
NSN1660-00-347-8686
Primary Part Number10803
Item NameValve Assy,vent and
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerMission Systems Orchard Park Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
1560-00-066-78401080-3 INTERCHANGEABLE
Parts Kit,adhesive
The Boeing Company Div Defense
4720-00-181-9140 INTERCHANGEABLE
Tubing,nonmetallic
5910-00-194-745710803 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Cd Snow Hill, Llc
5136-00-261-3237 INTERCHANGEABLE
Tap,thread Cutting
5310-00-274-776910803 INTERCHANGEABLE
Nut,plain,hexagon
Meggitt (new Hampshire), Inc
5310-00-281-355210803 INTERCHANGEABLE
Washer,flat
Alcoa/reynolds Metals Company
5365-00-529-844210803 INTERCHANGEABLE
Spacer,sleeve
Eaton Corporation
5975-00-714-8031143 INTERCHANGEABLE
Locknut,electrical Conduit
Abb Installation Products Inc
5120-01-553-852310803 INTERCHANGEABLE
Puller,mechanical
Tiger Tool Intl Inc
5310-01-624-766210803 INTERCHANGEABLE
Nut,plain,hexagon
Greystone, Inc.
Cross-Reference Index
Part NumberManufacturer
10803 PRIMARY Mission Systems Orchard Park Inc (USA)
10803 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
Related Parts
1560-00-066-7840INTERCHANGEABLE
PARTS KIT,ADHESIVE
1080-3
4720-00-181-9140INTERCHANGEABLE
TUBING,NONMETALLIC
5910-00-194-7457INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
10803
5136-00-261-3237INTERCHANGEABLE
TAP,THREAD CUTTING
5310-00-274-7769INTERCHANGEABLE
NUT,PLAIN,HEXAGON
10803
5310-00-281-3552INTERCHANGEABLE
WASHER,FLAT
10803
5365-00-529-8442INTERCHANGEABLE
SPACER,SLEEVE
10803
5975-00-714-8031INTERCHANGEABLE
LOCKNUT,ELECTRICAL CONDUIT
143
5120-01-553-8523INTERCHANGEABLE
PULLER,MECHANICAL
10803
5310-01-624-7662INTERCHANGEABLE
NUT,PLAIN,HEXAGON
10803
5120-01-693-6286INTERCHANGEABLE
JACK,SCREW,HAND
10803

Frequently Asked Questions

What is NSN 1660-00-347-8686?

NSN 1660-00-347-8686 is a Valve Assy,vent and, manufactured by Mission Systems Orchard Park Inc, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-347-8686?

NSN 1660-00-347-8686 has 2 cross-referenced part numbers: 10803 (Mission Systems Orchard Park Inc), 10803 (Ingersoll-Rand Company Dba Ingersoll-Rand).

What NSN replaces 1660-00-347-8686?

There are 11 known substitutes for 1660-00-347-8686: 1560-00-066-7840, 4720-00-181-9140, 5910-00-194-7457 and 8 more. Verify interchangeability with system specifications before substitution.

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