81-3140 — NOSEPIECE,OXYGEN MASK

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

81-3140: NOSEPIECE,OXYGEN MASK.

The NOSEPIECE,OXYGEN MASK is a the manufacturer industrial component. Key specifications include material: TITANIUM OVERALL, overall_length: 134.000 MILLIMETERS NOMINAL MM, overall_diameter: 132.000 MILLIMETERS NOMINAL MM, special_features: 2ME; REPLACEMENT ITEM FOR THE CRANIAL PLATING SYSTEM, NSN 6515-01-498-9712, supplementary_features: ADDITION TO UA M318 MMS NEUROSURGERY FOR ARMY USE, part_name_assigned_by_controlling_agency: IMPLANT MESH SURG TITANIUM 134MM O/A LG 132MM O/A DIA 2ME MM. This part is cataloged in the U.S.

Government catalog under NSN 4240-01-249-3529, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

81-3140

NSN: 4240-01-249-3529
NIINs: 012493529, 014943385
FSC: 4240 — Safety and Rescue Equipment
CAGE: 55799 — MINE SAFETY APPLIANCES COMPANY (USA)

SPECIFICATIONS

material	TITANIUM OVERALL
overall_length	134.000 MILLIMETERS NOMINAL MM
overall_diameter	132.000 MILLIMETERS NOMINAL MM
special_features	2ME; REPLACEMENT ITEM FOR THE CRANIAL PLATING SYSTEM, NSN 6515-01-498-9712
supplementary_features	ADDITION TO UA M318 MMS NEUROSURGERY FOR ARMY USE
part_name_assigned_by_controlling_agency	IMPLANT MESH SURG TITANIUM 134MM O/A LG 132MM O/A DIA 2ME MM
NSN	4240-01-249-3529

COMPONENT DIAGRAM

KEY FEATURES

•

SLOT QUANTITY: 1

•

FEATURES PROVIDED: MEDIA DEMAND OXYGEN PRESSURE SYSTEM

•

SIZE DESIGNATION: LARGE

•

MATERIAL: RUBBER

TECHNICAL CHARACTERISTICS

SLOT QUANTITY	1
FEATURES PROVIDED	MEDIA DEMAND OXYGEN PRESSURE SYSTEM
SIZE DESIGNATION	LARGE
MATERIAL	RUBBER

SUBSTITUTES & CROSS-REFERENCES 1

471712Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 81-3140?

81-3140 is a NOSEPIECE,OXYGEN MASK.

What parts can replace 81-3140?

There is 1 known substitute for 81-3140: 471712. Substitute compatibility should be verified for your specific system.

What is the NSN for 81-3140?

81-3140 is cataloged in the U.S. Government catalog under NSN 4240-01-249-3529. This indicates validated use in U.S. government and defense supply chains.

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81-3140 — NOSEPIECE,OXYGEN MASK

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