Bellows Flapper6685-01-033-1103

NSN 6685-01-033-1103 · NIIN 010331103

FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment

Government record, cited

Also searched as 6685-01-033-1103 · 6685010331103 · NIIN 010331103 · 01-033-1103 · FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · 051271-007-999 · 0521271-007-999

Nearby stock numbers ← 6685-01-033-0798 Gage, Pressure, Dial Indicating · 6685-01-033-1104 Bourdon Tube →

Features

Bellows Flapper — FSC 6685

Identification

NSN: 6685-01-033-1103
NIIN: 010331103
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment

General Description

The Bellows Flapper, cataloged under National Stock Number 6685-01-033-1103, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	6685-01-033-1103
Item Name	Bellows Flapper
FSC / FSG	6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

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

Reference documents

Reference	Meaning
051271-007-999	3/9 Design control — primary reference Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div
0521271-007-999	5/9 Secondary reference Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div

No interchangeability data on file.

Other items in FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments

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

6685-00-001-1475

6685-00-001-1475 · Item name not on file

6685-00-001-1503

CONTROL,TOTALIZER

6685-00-001-1643

6685-00-001-1643 · Item name not on file

6685-00-001-1711

GAGE,PRESSURE,DIAL INDICATING

6685-00-001-2099

6685-00-001-2099 · Item name not on file

6685-00-001-2100

6685-00-001-2100 · Item name not on file

6685-00-001-2101

6685-00-001-2101 · Item name not on file

6685-00-001-2102

6685-00-001-2102 · Item name not on file

Frequently Asked Questions

What is NSN 6685-01-033-1103?

NSN 6685-01-033-1103 is a Bellows Flapper, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.

What are the specifications of 6685-01-033-1103?

Key specifications for 6685-01-033-1103: End Item Identification: BOILERS,1200 PSI; POSEIDON MATERIAL. 0 specifications are documented in the U.S. Government catalog.

Is NSN 6685-01-033-1103 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). 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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