PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2145Valve

Aerospace Lighting Corporation · NSN 1660-00-784-5840 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-784-5840 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-784-5840. Primary manufacturer part number: 2145.
Features
  • Valve — FSC 1660
  • 2 verified cross-references
  • Primary manufacturer: Aerospace Lighting Corporation
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve, cataloged under National Stock Number 1660-00-784-5840, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Aerospace Lighting Corporation. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersNellcor Puritan Benn System Co (CAGE 83564); Aerospace Lighting Corporation (CAGE 59579)
Technical Specifications
ParameterValue
NSN1660-00-784-5840
Primary Part Number2145
Item NameValve
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerAerospace Lighting Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5325-00-079-72370400-0009 INTERCHANGEABLE
Grommet,nonmetallic
Keysight Technologies Inc
4820-00-087-8451 INTERCHANGEABLE
Valve,check
9540-00-148-4299 INTERCHANGEABLE
Angle,structural
2920-00-361-82852-145 INTERCHANGEABLE
Spring
Precision Aerospace Corporation Dba Precision Engine Control
4810-00-541-6052214-5 INTERCHANGEABLE
Valve,gate
Flowserve Corporation Div Flowserve Us Inc
5365-00-641-164440820 INTERCHANGEABLE
Spacer,ring
Napco International Llc Dba Napco International Inc
5330-00-806-24242145 INTERCHANGEABLE
Gasket
Champion Laboratories, Inc.
4820-00-900-1433 INTERCHANGEABLE
Valve,check
5365-00-981-77822145 INTERCHANGEABLE
Ring,spacer
Aerosonic Llc
5330-01-004-027521-45 INTERCHANGEABLE
Packing
Swagelok Co
Cross-Reference Index
Part NumberManufacturer
2145 Nellcor Puritan Benn System Co (USA)
2145 PRIMARY Aerospace Lighting Corporation (USA)
Related Parts
5325-00-079-7237INTERCHANGEABLE
GROMMET,NONMETALLIC
0400-0009
4820-00-087-8451INTERCHANGEABLE
VALVE,CHECK
9540-00-148-4299INTERCHANGEABLE
ANGLE,STRUCTURAL
2920-00-361-8285INTERCHANGEABLE
SPRING
2-145
4810-00-541-6052INTERCHANGEABLE
VALVE,GATE
214-5
5365-00-641-1644INTERCHANGEABLE
SPACER,RING
40820
5330-00-806-2424INTERCHANGEABLE
GASKET
2145
4820-00-900-1433INTERCHANGEABLE
VALVE,CHECK
5365-00-981-7782INTERCHANGEABLE
RING,SPACER
2145
5330-01-004-0275INTERCHANGEABLE
PACKING
21-45
6625-01-079-5749INTERCHANGEABLE
TEST SET,RADAR
58139-43001
6510-01-156-2336INTERCHANGEABLE
PAD ABDOMINAL 5 BY
651000C980324#

Frequently Asked Questions

What is NSN 1660-00-784-5840?

NSN 1660-00-784-5840 is a Valve, manufactured by Aerospace Lighting Corporation, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-784-5840?

NSN 1660-00-784-5840 has 2 cross-referenced part numbers: 2145 (Nellcor Puritan Benn System Co), 2145 (Aerospace Lighting Corporation).

What NSN replaces 1660-00-784-5840?

There are 12 known substitutes for 1660-00-784-5840: 5325-00-079-7237, 4820-00-087-8451, 9540-00-148-4299 and 9 more. Verify interchangeability with system specifications before substitution.

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