PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2557874PT7REVEFilter-Detector Ass

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 1285-00-891-3300 · FSC 1285 · No Item Name Available
Verified by PartsTable
NSN 1285-00-891-3300 — this item is cataloged by the U.S. Government under National Stock Number 1285-00-891-3300. Primary manufacturer part number: 2557874PT7REVE.
Features
  • Filter-Detector Ass — FSC 1285
  • 4 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Filter-Detector Ass, cataloged under National Stock Number 1285-00-891-3300, is classified within Federal Supply Class 1285 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. This item has 4 commercial cross-references from 4 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 NameFilter-Detector Ass
FSC / FSG1285 — No Item Name Available (FSG 12)
ManufacturersNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Bulova Technologies L.l.c. Dba Environmental Systems & Svcs (CAGE 28726); Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (CAGE 95105); Leigh Instruments Ltd Frequency Control Div C R Snelgrove Co C R Snelgrove Co (CAGE 02533)
Technical Specifications
ParameterValue
NSN1285-00-891-3300
Primary Part Number2557874PT7REVE
Item NameFilter-Detector Ass
FSC / FSG1285 / 12 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5325-00-058-1739201-0180-000 INTERCHANGEABLE
Grommet,nonmetallic
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3110-00-156-5453280026-103 INTERCHANGEABLE
Bearing,ball,annular
Naval Sea Systems Command
5930-00-257-57565507 INTERCHANGEABLE
Switch,toggle
Cole Hersee Company
5133-00-409-0392 INTERCHANGEABLE
Drill,twist
4920-00-411-86215507 INTERCHANGEABLE
Test Set,special
Invensys Systems, Inc. Dba Schneider Electric
5310-00-476-28225507 INTERCHANGEABLE
Nut,plain,internal Wrenching
Goodrich Aerospace Canada Ltd
6680-00-586-9754550-7 INTERCHANGEABLE
Indicator,sight,liquid
Tobeyco Mfg, Co, Inc. Div Federal Brass Mfg.
5985-01-004-97165507 INTERCHANGEABLE
Circulator,radio Frequency
Stellant Systems Inc
6125-01-020-575655-07 INTERCHANGEABLE
Motor-Generator
Arc Systems Inc
5905-01-073-731811781316 INTERCHANGEABLE
Resistor Network,fixed,film
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Cross-Reference Index
Part NumberManufacturer
2557874PT7REVE PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
550-7 Bulova Technologies L.l.c. Dba Environmental Systems & Svcs (USA)
526-7727-007 PRIMARY Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
F475-7 Leigh Instruments Ltd Frequency Control Div C R Snelgrove Co C R Snelgrove Co (CAN)
Related Parts
5325-00-058-1739INTERCHANGEABLE
GROMMET,NONMETALLIC
201-0180-000
3110-00-156-5453INTERCHANGEABLE
BEARING,BALL,ANNULAR
280026-103
5930-00-257-5756INTERCHANGEABLE
SWITCH,TOGGLE
5507
5133-00-409-0392INTERCHANGEABLE
DRILL,TWIST
4920-00-411-8621INTERCHANGEABLE
TEST SET,SPECIAL
5507
5310-00-476-2822INTERCHANGEABLE
NUT,PLAIN,INTERNAL WRENCHING
5507
6680-00-586-9754INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
550-7
5985-01-004-9716INTERCHANGEABLE
CIRCULATOR,RADIO FREQUENCY
5507
6125-01-020-5756INTERCHANGEABLE
MOTOR-GENERATOR
55-07
5905-01-073-7318INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
11781316
5996-01-273-9826INTERCHANGEABLE
AMPLIFIER,AUDIO FREQUENCY
5507
6680-01-323-7446INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
5507

Frequently Asked Questions

What is NSN 1285-00-891-3300?

NSN 1285-00-891-3300 is a Filter-Detector Ass, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1285 (No Item Name Available). Status: active.

What are the part numbers for NSN 1285-00-891-3300?

NSN 1285-00-891-3300 has 4 cross-referenced part numbers: 2557874PT7REVE (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 550-7 (Bulova Technologies L.l.c. Dba Environmental Systems & Svcs), 526-7727-007 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), F475-7 (Leigh Instruments Ltd Frequency Control Div C R Snelgrove Co C R Snelgrove Co).

What NSN replaces 1285-00-891-3300?

There are 12 known substitutes for 1285-00-891-3300: 5325-00-058-1739, 3110-00-156-5453, 5930-00-257-5756 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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