PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

U001477500Cover,exhalation VA

Parmelee Industries, Inc. Dba U S Safety · NSN 4240-01-250-8246 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-250-8246 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-250-8246. Primary manufacturer part number: U001477500.
Features
  • Cover,exhalation VA — FSC 4240
  • General Characteristics Item Description: SOLE SOURCE REQUIRED BY STATUTE 6.302
  • Criticality Code Justification: TEXT
  • 2 verified cross-references
  • Primary manufacturer: Parmelee Industries, Inc. Dba U S Safety
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cover,exhalation VA, cataloged under National Stock Number 4240-01-250-8246, is classified within Federal Supply Class 4240 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Parmelee Industries, Inc. Dba U S Safety. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-250-8246
Primary Part NumberU001477500
Item NameCover,exhalation VA
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerParmelee Industries, Inc. Dba U S Safety
StatusACTIVE
General Characteristics Item DescriptionSOLE SOURCE REQUIRED BY STATUTE 6.302
Criticality Code JustificationTEXT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-071-9282EF95-8 INTERCHANGEABLE
Transformer,pulse
Omega Associates, Inc. Dba Omega Associates Inc
4820-00-142-2106 INTERCHANGEABLE
Valve,safety Relief
5136-00-236-432254376 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5315-00-344-034614775 INTERCHANGEABLE
Pin,ring
Ashcroft Inc Dba Heise
1560-00-991-458614775 INTERCHANGEABLE
Repair Kit Cure DAT
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5310-01-122-7675DV-13 INTERCHANGEABLE
Washer,flat
Robert H Wager Co Inc
5310-01-176-78381-4775 INTERCHANGEABLE
Nut,plain,hexagon
American Hofmann Corp
6240-01-344-5055150/120R/FL/SS/120V INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
5340-01-440-3535 INTERCHANGEABLE
Cover,access
Cross-Reference Index
Part NumberManufacturer
U001477500 PRIMARY Parmelee Industries, Inc. Dba U S Safety (USA)
14775 Parmelee Industries, Inc. Dba U S Safety (USA)
Related Parts
5950-00-071-9282INTERCHANGEABLE
TRANSFORMER,PULSE
EF95-8
4820-00-142-2106INTERCHANGEABLE
VALVE,SAFETY RELIEF
5136-00-236-4322INTERCHANGEABLE
TAP,THREAD CUTTING
54376
5315-00-344-0346INTERCHANGEABLE
PIN,RING
14775
1560-00-991-4586INTERCHANGEABLE
REPAIR KIT CURE DAT
14775
5310-01-122-7675INTERCHANGEABLE
WASHER,FLAT
DV-13
5310-01-176-7838INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1-4775
6240-01-344-5055INTERCHANGEABLE
LAMP,INCANDESCENT
150/120R/FL/SS/120V
5340-01-440-3535INTERCHANGEABLE
COVER,ACCESS

Frequently Asked Questions

What is NSN 4240-01-250-8246?

NSN 4240-01-250-8246 is a Cover,exhalation VA, manufactured by Parmelee Industries, Inc. Dba U S Safety, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-250-8246?

NSN 4240-01-250-8246 has 2 cross-referenced part numbers: U001477500 (Parmelee Industries, Inc. Dba U S Safety), 14775 (Parmelee Industries, Inc. Dba U S Safety).

What NSN replaces 4240-01-250-8246?

There are 9 known substitutes for 4240-01-250-8246: 5950-00-071-9282, 4820-00-142-2106, 5136-00-236-4322 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of U001477500?

Key specifications for U001477500: General Characteristics Item Description: SOLE SOURCE REQUIRED BY STATUTE 6.302; End Item Identification: U. S. SAFETY MODELS 100 AND 150 RESPIRATORS; Criticality Code Justification: TEXT. 3 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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