PartsTable TECHNICAL DATA SHEET

NSN 4820-01-397-7123Government record, cited

Guide, Valve Stem4820-01-397-7123

NSN 4820-01-397-7123 · NIIN 013977123

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-397-7123 · 4820013977123 · NIIN 013977123 · 01-397-7123 · FSC 4820 Valves, Nonpowered · PLC-11535 · 115364CD · PLC-11535-4 SZ 0.75

Nearby stock numbers ← 4820-01-397-7122 Parts Kit, Pressure Regulating VA · 4820-01-397-7125 Guide, Valve Stem →

4820-01-397-7123 — Valves, Nonpowered

Features

Guide,valve Stem — FSC 4820
Material Document and Classification: QQ-S-763, CLASS 321, COND A FED SPEC 1ST MATERIAL RESPONSE
Material: STEEL COMP 321

Identification

NSN: 4820-01-397-7123
NIIN: 013977123
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Guide,valve Stem, cataloged under National Stock Number 4820-01-397-7123, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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	4820-01-397-7123
Item Name	Guide,valve Stem
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Material Document and Classification	QQ-S-763, CLASS 321, COND A FED SPEC 1ST MATERIAL RESPONSE
Material	STEEL COMP 321

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 7

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

4820-01-397-7125115367CD POSSIBLE MATCH

GUIDE,VALVE STEM

Possible match (shared part number)Admiral Valve Llc Dba Cpv Manufacturing

4820-01-408-4750PLC-11535-32 POSSIBLE MATCH

VALVE,CHECK

Possible match (shared part number)Admiral Valve Llc Dba Cpv Manufacturing

4820-01-442-5814PLC-11535-24 POSSIBLE MATCH

VALVE,CHECK

Possible match (shared part number)Admiral Valve Llc Dba Cpv Manufacturing

4820-01-442-5815PLC-11535-12 POSSIBLE MATCH

VALVE,CHECK

Possible match (shared part number)Admiral Valve Llc Dba Cpv Manufacturing

4820-01-504-2464115365CD POSSIBLE MATCH

BODY,VALVE

Possible match (shared part number)Admiral Valve Llc Dba Cpv Manufacturing

4820-01-504-2503 POSSIBLE MATCH

VALVE,CHECK

Possible match (shared part number)

4820-01-730-9152 POSSIBLE MATCH

VALVE,CHECK

Possible match (shared part number)

Cross-Reference Index

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

Reference documents

Reference	Meaning
PLC-11535	D/9 Drawing number reference only U.S. Government activity
115364CD	3/2 Design control — primary reference U.S. Government activity
PLC-11535-4 SZ 0.75	5/2 Secondary reference U.S. Government activity

Related Parts

4820-01-397-7125POSSIBLE MATCH

GUIDE,VALVE STEM

115367CD

4820-01-408-4750POSSIBLE MATCH

VALVE,CHECK

PLC-11535-32

4820-01-442-5814POSSIBLE MATCH

VALVE,CHECK

PLC-11535-24

4820-01-442-5815POSSIBLE MATCH

VALVE,CHECK

PLC-11535-12

4820-01-504-2464POSSIBLE MATCH

BODY,VALVE

115365CD

4820-01-504-2503POSSIBLE MATCH

VALVE,CHECK

4820-01-730-9152POSSIBLE MATCH

VALVE,CHECK

Frequently Asked Questions

What is NSN 4820-01-397-7123?

NSN 4820-01-397-7123 is a Guide,valve Stem, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-397-7123?

7 possible matches (shared part number, not a government interchangeability claim): 4820-01-397-7125, 4820-01-408-4750, 4820-01-442-5814. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-397-7123?

Key specifications for 4820-01-397-7123: Material Document and Classification: QQ-S-763, CLASS 321, COND A FED SPEC 1ST MATERIAL RESPONSE; Special Features: 0.750IN. IPS; USED ON VALVE,CHECK INLINE, BLEED, NON-REVERSIBLE 3000 PSI IN; Material: STEEL COMP 321. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-397-7123 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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