PartsTable TECHNICAL DATA SHEET

NSN 4820-01-320-0168Government record, cited

Screw, Valve Spring4820-01-320-0168

NSN 4820-01-320-0168 · NIIN 013200168 · Part number 465-01

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 55378

Government record, cited

NSN 4820-01-320-0168 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-320-0168. Manufacturer of record part number: 465-01.

Also searched as 4820-01-320-0168 · 4820013200168 · NIIN 013200168 · 01-320-0168 · FSC 4820 Valves, Nonpowered · CAGE 55378 · 465-01 · 40320 PIECE 31 · 40320

Nearby stock numbers ← 4820-01-320-0157 · 4820-01-320-0190 Operating Nut, Valve →

4820-01-320-0168 — Valves, Nonpowered

Features

Screw,valve Spring — FSC 4820
General Characteristics Item Description: MONEL
1 manufacturer part number on file
Manufacturer of record: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

Identification

NSN: 4820-01-320-0168
NIIN: 013200168
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 465-01
Manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

General Description

The Screw,valve Spring, cataloged under National Stock Number 4820-01-320-0168, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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	4820-01-320-0168
Primary Part Number	465-01
Item Name	Screw,valve Spring
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Status	ACTIVE
General Characteristics Item Description	MONEL

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.

4310-01-320-276440320 POSSIBLE MATCH

COMPRESSOR,RECIPROCATING

Possible match (shared part number)Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor

3120-01-400-114440320 POSSIBLE MATCH

BEARING,WASHER,THRUST

Possible match (shared part number)Midwest Gear & Tool, Inc.

3419-01-502-3640 POSSIBLE MATCH

GRINDING MACHINE,BELT,HORIZONTAL

Possible match (shared part number)

9150-01-544-604740320 POSSIBLE MATCH

CUTTING FLUID

Possible match (shared part number)Illinois Tool Works Inc. Dba L P S Laboratories

6220-01-575-175240320 POSSIBLE MATCH

LIGHT,NAVIGATIONAL,MARINE

Possible match (shared part number)Glamox Aqua Signal Corporation

5998-01-649-37024650-1 POSSIBLE MATCH

CIRCUIT CARD ASSEMBLY

Possible match (shared part number)Curtiss-Wright Controls Electronic Systems, Inc.

4820-01-734-0391 POSSIBLE MATCH

VALVE ASSEMBLY,MANIFOLD

Possible match (shared part number)

Cross-Reference Index

Part Number	Manufacturer
465-01 PRIMARY	Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)

Reference documents

Reference	Meaning
40320 PIECE 31	5/9 Secondary reference Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
40320	D/9 Drawing number reference only Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

Related Parts

4310-01-320-2764POSSIBLE MATCH

COMPRESSOR,RECIPROCATING

40320

3120-01-400-1144POSSIBLE MATCH

BEARING,WASHER,THRUST

40320

3419-01-502-3640POSSIBLE MATCH

GRINDING MACHINE,BELT,HORIZONTAL

9150-01-544-6047POSSIBLE MATCH

CUTTING FLUID

40320

6220-01-575-1752POSSIBLE MATCH

LIGHT,NAVIGATIONAL,MARINE

40320

5998-01-649-3702POSSIBLE MATCH

CIRCUIT CARD ASSEMBLY

4650-1

4820-01-734-0391POSSIBLE MATCH

VALVE ASSEMBLY,MANIFOLD

Frequently Asked Questions

What is NSN 4820-01-320-0168?

NSN 4820-01-320-0168 is a Screw,valve Spring, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-320-0168?

NSN 4820-01-320-0168 has 1 manufacturer part number on file: 465-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-320-0168?

7 possible matches (shared part number, not a government interchangeability claim): 4310-01-320-2764, 3120-01-400-1144, 3419-01-502-3640. Verify interchangeability with system specifications before substitution.

What are the specifications of 465-01?

Key specifications for 465-01: General Characteristics Item Description: MONEL. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-320-0168 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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