PartsTable TECHNICAL DATA SHEET

Download PDF

NSN 4240-01-251-0556Government record, cited

Transition, Entrance Protective P4240-01-251-0556

NSN 4240-01-251-0556 · NIIN 012510556

FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment

Government record, cited

Also searched as 4240-01-251-0556 · 4240012510556 · NIIN 012510556 · 01-251-0556 · FSC 4240 Safety and Rescue Equipment

Nearby stock numbers ← 4240-01-250-9129 Air Entry, Respirator · 4240-01-251-1566 Respirator, Air Filtering →

Features

Transition,entrance Protective P — FSC 4240
General Characteristics Item Description: ITEM CONSISTS OF 2 PANEL,SIDE MADE FROM B5-19-6310;1 PANEL,BOTTOM MADE FROM B5-19-6310;1 PANEL,TOP MADE FROM B5-19-6310;THREAD B5-19-4458;2 ZIPPER C5-19-8839-2;4 PLATE,STIFFENER C5-19-8917-3;8 PLATE,STIFFENER C5-19-8917-4;2PLATE,STIFFENER C5-19-8917-5;OVERALL LENGTH 79.125 IN.;OVERALL WIDTH 47.125 IN. IN

Identification

NSN: 4240-01-251-0556
NIIN: 012510556
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment

General Description

The Transition,entrance Protective P, cataloged under National Stock Number 4240-01-251-0556, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4240-01-251-0556
Item Name	Transition,entrance Protective P
FSC / FSG	4240 / 42 — Safety and Rescue Equipment
Status	ACTIVE
General Characteristics Item Description	ITEM CONSISTS OF 2 PANEL,SIDE MADE FROM B5-19-6310;1 PANEL,BOTTOM MADE FROM B5-19-6310;1 PANEL,TOP MADE FROM B5-19-6310;THREAD B5-19-4458;2 ZIPPER C5-19-8839-2;4 PLATE,STIFFENER C5-19-8917-3;8 PLATE,STIFFENER C5-19-8917-4;2PLATE,STIFFENER C5-19-8917-5;OVERALL LENGTH 79.125 IN.;OVERALL WIDTH 47.125 IN. IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL D — Destroy Item
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
E5-19-9194	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 4240 — Safety and Rescue Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4240-00-001-1515

4240-00-001-1515 · Item name not on file

4240-00-001-2684

4240-00-001-2684 · Item name not on file

4240-00-006-0022

HOSE,EVACUATION

4240-00-007-4576

4240-00-007-4576 · Item name not on file

4240-00-007-8182

4240-00-007-8182 · Item name not on file

4240-00-007-8183

4240-00-007-8183 · Item name not on file

4240-00-007-8184

4240-00-007-8184 · Item name not on file

4240-00-007-8185

4240-00-007-8185 · Item name not on file

Frequently Asked Questions

What is NSN 4240-01-251-0556?

NSN 4240-01-251-0556 is a Transition,entrance Protective P, classified under FSC 4240, Safety and Rescue Equipment. Status: active.

What are the specifications of 4240-01-251-0556?

Key specifications for 4240-01-251-0556: General Characteristics Item Description: ITEM CONSISTS OF 2 PANEL,SIDE MADE FROM B5-19-6310;1 PANEL,BOTTOM MADE FROM B5-19-6310;1 PANEL,TOP MADE FROM B5-19-6310;THREAD B5-19-4458;2 ZIPPER C5-19-8839-2;4 PLATE,STIFFENER C5-19-8917-3;8 PLATE,STIFFENER C5-19-8917-4;2PLATE,STIFFENER C5-19-8917-5;OVERALL LENGTH 79.125 IN.;OVERALL WIDTH 47.125 IN. IN; End Item Identification: 4240-01-185-6786. 1 specification is documented in the U.S. Government catalog.

Is NSN 4240-01-251-0556 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

What is the DEMIL code for NSN 4240-01-251-0556?

NSN 4240-01-251-0556 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

PartsTable Design LLC · partstable.com