PartsTable TECHNICAL DATA SHEET

NSN 4820-01-202-5693Government record, cited

Valve, Inner4820-01-202-5693

NSN 4820-01-202-5693 · NIIN 012025693

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-202-5693 · 4820012025693 · NIIN 012025693 · 01-202-5693 · FSC 4820 Valves, Nonpowered · 70-99-0004-12 PIECE 58 · 70-99-0004-12 · 70-99-0004-12 · 70-14-1248-11 · 70-99-0107-79

Nearby stock numbers ← 4820-01-202-5683 Subplate Assembly, Valve · 4820-01-202-5696 Disk Subassembly →

4820-01-202-5693 — Valves, Nonpowered

Features

Valve,inner — FSC 4820
General Characteristics Item Description: STAINLESS STEEL;9.938 IN. LG;0.625-11UNC,2B THD END CONNECTIONS IN

Identification

NSN: 4820-01-202-5693
NIIN: 012025693
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,inner, cataloged under National Stock Number 4820-01-202-5693, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-202-5693
Item Name	Valve,inner
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
General Characteristics Item Description	STAINLESS STEEL;9.938 IN. LG;0.625-11UNC,2B THD END CONNECTIONS IN

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

⇄ Related Items 11

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4820-01-202-571470-02-1104-10 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc

4820-01-202-571570-02-1105-10 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc

4820-01-202-571670-11-1339011 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc

4820-01-202-571770-02-1130-10 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc

4820-01-202-865870-02-1119-10 POSSIBLE MATCH

DIAPHRAGM,VALVE,FLAT

Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc

4820-01-202-865970-13-0153-16 POSSIBLE MATCH

DIAPHRAGM,ACTUATOR VALVE,SPECIAL

Possible match (shared part number)Anchor/darling Valve Co

4320-01-202-941670-11-0656-10 POSSIBLE MATCH

RING,LANTERN

Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc

4820-01-202-957070-02-1109-10 POSSIBLE MATCH

SEAT,VALVE

Possible match (shared part number)Bs&b Safety Systems Llc

4820-01-202-957170-02-1107-10 POSSIBLE MATCH

SEAT,VALVE

Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc

4820-01-202-963770-02-1102-10 POSSIBLE MATCH

RETAINER,SEAT,VALVE

Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc

Cross-Reference Index

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

Reference documents

Reference	Meaning
70-99-0004-12 PIECE 58	5/9 Secondary reference Bs&b Safety Systems Llc
70-99-0004-12	D/9 Drawing number reference only U.S. Government activity
70-99-0004-12	5/9 Secondary reference Bs&b Safety Systems Llc
70-14-1248-11	C/1 Advisory reference — outside the item-of-supply concept Bs&b Safety Systems Llc
70-99-0107-79	5/9 Secondary reference Bs&b Safety Systems Llc
70-99-0107-79	3/2 Design control — primary reference U.S. Government activity
70-99-0004-12 PIECE 58	5/9 Secondary reference U.S. Government activity
70-99-0107-79	5/9 Secondary reference U.S. Government activity

Related Parts

4820-01-202-5714POSSIBLE MATCH

STEM,FLUID VALVE

70-02-1104-10

4820-01-202-5715POSSIBLE MATCH

STEM,FLUID VALVE

70-02-1105-10

4820-01-202-5716POSSIBLE MATCH

STEM,FLUID VALVE

70-11-1339011

4820-01-202-5717POSSIBLE MATCH

STEM,FLUID VALVE

70-02-1130-10

4820-01-202-8658POSSIBLE MATCH

DIAPHRAGM,VALVE,FLAT

70-02-1119-10

4820-01-202-8659POSSIBLE MATCH

DIAPHRAGM,ACTUATOR VALVE,SPECIAL

70-13-0153-16

4320-01-202-9416POSSIBLE MATCH

RING,LANTERN

70-11-0656-10

4820-01-202-9570POSSIBLE MATCH

SEAT,VALVE

70-02-1109-10

4820-01-202-9571POSSIBLE MATCH

SEAT,VALVE

70-02-1107-10

4820-01-202-9637POSSIBLE MATCH

RETAINER,SEAT,VALVE

70-02-1102-10

4820-01-202-9703POSSIBLE MATCH

STEM,FLUID VALVE

70-13-0526-12

Frequently Asked Questions

What is NSN 4820-01-202-5693?

NSN 4820-01-202-5693 is a Valve,inner, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-202-5693?

11 possible matches (shared part number, not a government interchangeability claim): 4820-01-202-5714, 4820-01-202-5715, 4820-01-202-5716. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-202-5693?

Key specifications for 4820-01-202-5693: General Characteristics Item Description: STAINLESS STEEL;9.938 IN. LG;0.625-11UNC,2B THD END CONNECTIONS IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-202-5693 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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