PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11577Filter Element,air Conditioning

Fibrebond Corp · NSN 4130-01-474-0503 · FSC 4130 · No Item Name Available
Verified by PartsTable
NSN 4130-01-474-0503 — this item is cataloged by the U.S. Government under National Stock Number 4130-01-474-0503. Primary manufacturer part number: 11577.
Features
  • Filter Element,air Conditioning — FSC 4130
  • Design Type: LIMITED
  • Material: FIBER SYNTHETIC FILTERING MEDIUM
  • Body Overall Length: 48.000 INCHES NOMINAL IN
  • Filtering Media Design: PLEATED ALL FILTERING MEDIA RESPONSES
  • Style Designator: RECTANGULAR (INCL SQUARE)
  • Body Thickness: 1.000 INCHES NOMINAL IN
  • 1 verified cross-reference
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Fiber Synthetic Filtering Medium construction
General Description

The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-474-0503, is classified within Federal Supply Class 4130 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Fibrebond Corp. Government technical data includes 6 verified specifications, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4130-01-474-0503
Primary Part Number11577
Item NameFilter Element,air Conditioning
FSC / FSG4130 / 41 — No Item Name Available
ManufacturerFibrebond Corp
StatusACTIVE
Design TypeLIMITED
MaterialFIBER SYNTHETIC FILTERING MEDIUM
Body Overall Length48.000 INCHES NOMINAL IN
Filtering Media DesignPLEATED ALL FILTERING MEDIA RESPONSES
Style DesignatorRECTANGULAR (INCL SQUARE)
Body Thickness1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-543-319111577 INTERCHANGEABLE
Gasket
Saf Industries Llc Dba Saf Industries Llc Div Garkenyon
5815-00-594-0001SM-B-148773 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5945-00-885-838415427 INTERCHANGEABLE
Relay,solid State
Versitron Inc
2520-01-082-8619114-517 INTERCHANGEABLE
Parts Kit,universal Joint
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
6145-01-159-8628CIT 4130 INTERCHANGEABLE
Cable,special Purpose,electrical
Cableco Inc
6105-01-222-838311577 INTERCHANGEABLE
Motor,alternating Current
Middleby Marshall Inc Conveyor Ovens and Mixers Div
5365-01-225-092711577 INTERCHANGEABLE
Spacer,plate
DP Manufacturing Inc.
4820-01-232-308811577 INTERCHANGEABLE
Disk,valve
Flowserve Inc
Cross-Reference Index
Part NumberManufacturer
11577 PRIMARY Fibrebond Corp (USA)
Related Parts
5330-00-543-3191INTERCHANGEABLE
GASKET
11577
5815-00-594-0001INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SM-B-148773
5945-00-885-8384INTERCHANGEABLE
RELAY,SOLID STATE
15427
2520-01-082-8619INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
114-517
6145-01-159-8628INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
CIT 4130
6105-01-222-8383INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
11577
5365-01-225-0927INTERCHANGEABLE
SPACER,PLATE
11577
4820-01-232-3088INTERCHANGEABLE
DISK,VALVE
11577

Frequently Asked Questions

What is NSN 4130-01-474-0503?

NSN 4130-01-474-0503 is a Filter Element,air Conditioning, manufactured by Fibrebond Corp, classified under FSC 4130 (No Item Name Available). Status: active.

What are the part numbers for NSN 4130-01-474-0503?

NSN 4130-01-474-0503 has 1 cross-referenced part number: 11577 (Fibrebond Corp).

What NSN replaces 4130-01-474-0503?

There are 8 known substitutes for 4130-01-474-0503: 5330-00-543-3191, 5815-00-594-0001, 5945-00-885-8384 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11577?

Key specifications for 11577: Design Type: LIMITED; End Item Identification: "NEXT GENERATION RADAR (NEXRAD) WEAPON SYSTEM DESIGNATOR CODE NWF; Material: FIBER SYNTHETIC FILTERING MEDIUM; Body Overall Length: 48.000 INCHES NOMINAL IN. 9 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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