PartsTable TECHNICAL DATA SHEET

NSN 4730-01-202-0635Government record, cited

Packing Nut4730-01-202-0635

NSN 4730-01-202-0635 · NIIN 012020635 · Part number 70-99-0004-12 PIECE 84

Bs&b Safety Systems Llc · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 32874

Government record, cited

NSN 4730-01-202-0635 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-202-0635. Manufacturer of record part number: 70-99-0004-12 PIECE 84.

Also searched as 4730-01-202-0635 · 4730012020635 · NIIN 012020635 · 01-202-0635 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 32874 · 70-99-0004-12 PIECE 84 · 70-02-1114-10 · 70-99-0004-12 · 70-02-1114-10

Nearby stock numbers ← 4730-01-202-0609 Restrictor, Fluid Flow · 4730-01-202-0636 Ferrule, Brazing, Tube Fitting →

4730-01-202-0635 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Packing Nut — FSC 4730
Casehardening Indicator: NOT CASEHARDENED
Material: COPPER ALLOY
1 manufacturer part number on file
Manufacturer of record: Bs&b Safety Systems Llc

Identification

NSN: 4730-01-202-0635
NIIN: 012020635
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 70-99-0004-12 PIECE 84
Manufacturer: Bs&b Safety Systems Llc

General Description

The Packing Nut, cataloged under National Stock Number 4730-01-202-0635, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Bs&b Safety Systems Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government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	4730-01-202-0635
Primary Part Number	70-99-0004-12 PIECE 84
Item Name	Packing Nut
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Manufacturer	Bs&b Safety Systems Llc
Status	ACTIVE
Casehardening Indicator	NOT CASEHARDENED
Material	COPPER ALLOY

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 12

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

4820-01-202-569370-99-0107-79 POSSIBLE MATCH

VALVE,INNER

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

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

Cross-Reference Index

Part Number	Manufacturer
70-99-0004-12 PIECE 84	Bs&b Safety Systems Llc (USA)

Reference documents

Reference	Meaning
70-02-1114-10	3/2 Design control — primary reference U.S. Government activity
70-99-0004-12	D/9 Drawing number reference only Bs&b Safety Systems Llc
70-02-1114-10	5/9 Secondary reference Bs&b Safety Systems Llc

Related Parts

4820-01-202-5693POSSIBLE MATCH

VALVE,INNER

70-99-0107-79

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 4730-01-202-0635?

NSN 4730-01-202-0635 is a Packing Nut, manufactured by Bs&b Safety Systems Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-202-0635?

NSN 4730-01-202-0635 has 1 manufacturer part number on file: 70-99-0004-12 PIECE 84 (Bs&b Safety Systems Llc).

What NSN replaces 4730-01-202-0635?

12 possible matches (shared part number, not a government interchangeability claim): 4820-01-202-5693, 4820-01-202-5714, 4820-01-202-5715. Verify interchangeability with system specifications before substitution.

What are the specifications of 70-99-0004-12 PIECE 84?

Key specifications for 70-99-0004-12 PIECE 84: Casehardening Indicator: NOT CASEHARDENED; Material: COPPER ALLOY. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-202-0635 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.

PartsTable Design LLC · partstable.com