Cap, Pressure, Heat Exchanger4420-01-055-5929

NSN 4420-01-055-5929 · NIIN 010555929

FSC 4420 — Heat Exchangers and Steam Condensers · FSG 44 — Furnace, Steam, Drying, Nuclear Reactors

Government record, cited

Also searched as 4420-01-055-5929 · 4420010555929 · NIIN 010555929 · 01-055-5929 · FSC 4420 Heat Exchangers and Steam Condensers · 36 55143Q · 36-55143 · 36-55143

Nearby stock numbers ← 4420-01-054-9537 Core Assembly, Fluid Cooler · 4420-01-056-8311 →

Features

Cap,pressure,heat Exchanger — FSC 4420
General Characteristics Item Description: GALVANIZED STEEL,3.145 IN. 0.D.,2.340 IN. I.D. AND 14 LBS P.S.I. LBS

Identification

NSN: 4420-01-055-5929
NIIN: 010555929
FSC: 4420 — Heat Exchangers and Steam Condensers
FSG: 44 — Furnace, Steam, Drying, Nuclear Reactors

General Description

The Cap,pressure,heat Exchanger, cataloged under National Stock Number 4420-01-055-5929, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4420-01-055-5929
Item Name	Cap,pressure,heat Exchanger
FSC / FSG	4420 / 44 — Heat Exchangers and Steam Condensers
Status	ACTIVE
General Characteristics Item Description	GALVANIZED STEEL,3.145 IN. 0.D.,2.340 IN. I.D. AND 14 LBS P.S.I. LBS

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

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

Reference documents

Reference	Meaning
36 55143Q	3/2 Design control — primary reference U.S. Government activity
36-55143	C/1 Advisory reference — outside the item-of-supply concept Kings Bronze Co
36-55143	5/9 Secondary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 4420 — Heat Exchangers and Steam Condensers

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

4420-00-003-2812

CORE ASSEMBLY,FLUID HEATER,INDUS

4420-00-004-1071

4420-00-004-1071 · Item name not on file

4420-00-004-1072

4420-00-004-1072 · Item name not on file

4420-00-004-1073

4420-00-004-1073 · Item name not on file

4420-00-004-1074

4420-00-004-1074 · Item name not on file

4420-00-004-3860

COOLER,FLUID,INDUSTRIAL

4420-00-004-5260

4420-00-004-5260 · Item name not on file

4420-00-005-2335

PURGE ORIFICE ASSEMBLY

Frequently Asked Questions

What is NSN 4420-01-055-5929?

NSN 4420-01-055-5929 is a Cap,pressure,heat Exchanger, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.

What are the specifications of 4420-01-055-5929?

Key specifications for 4420-01-055-5929: General Characteristics Item Description: GALVANIZED STEEL,3.145 IN. 0.D.,2.340 IN. I.D. AND 14 LBS P.S.I. LBS. 1 specification is documented in the U.S. Government catalog.

Is NSN 4420-01-055-5929 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

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.

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