PartsTable TECHNICAL DATA SHEET

NSN 4820-01-218-7624Government record, cited

Seat, Valve4820-01-218-7624

NSN 4820-01-218-7624 · NIIN 012187624 · Part number BL-57072 PIECE 2

O. C. Keckley Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 32869

Government record, cited

NSN 4820-01-218-7624 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-218-7624. Manufacturer of record part number: BL-57072 PIECE 2.

Also searched as 4820-01-218-7624 · 4820012187624 · NIIN 012187624 · 01-218-7624 · FSC 4820 Valves, Nonpowered · CAGE 32869 · BL-57072 PIECE 2 · 3325428 PIECE 2

Nearby stock numbers ← 4820-01-218-7582 Valve, Safety Relief · 4820-01-218-7633 Parts Kit, Safety Relief Valve →

4820-01-218-7624 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Material Document and Classification: MIL-N-20164 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Material: NICKEL ALLOY OR COPPER ALLOY OVERALL
1 manufacturer part number on file
Manufacturer of record: O. C. Keckley Company

Identification

NSN: 4820-01-218-7624
NIIN: 012187624
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: BL-57072 PIECE 2
Manufacturer: O. C. Keckley Company

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-218-7624, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is O. C. Keckley Company. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-218-7624
Primary Part Number	BL-57072 PIECE 2
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	O. C. Keckley Company
Status	ACTIVE
Material Document and Classification	MIL-N-20164 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Material	NICKEL ALLOY OR COPPER ALLOY OVERALL

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

Part Number	Manufacturer
BL-57072 PIECE 2 PRIMARY	O. C. Keckley Company (USA)

Reference documents

Reference	Meaning
3325428 PIECE 2	5/2 Secondary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

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

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-218-7624?

NSN 4820-01-218-7624 is a Seat,valve, manufactured by O. C. Keckley Company, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-218-7624?

NSN 4820-01-218-7624 has 1 manufacturer part number on file: BL-57072 PIECE 2 (O. C. Keckley Company).

What are the specifications of BL-57072 PIECE 2?

Key specifications for BL-57072 PIECE 2: Material Document and Classification: MIL-N-20164 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Special Features: USED ON 1.250 IN.REGULATING VALVE IN; Material: NICKEL ALLOY OR COPPER ALLOY OVERALL. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-218-7624 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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