SS-MD-4 — PROTECTOR,VENT,SPECIAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

SS-MD-4: PROTECTOR,VENT,SPECIAL.

The PROTECTOR,VENT,SPECIAL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, special_features: TECHNICAL DATA FURNISHED CALLS ITEM STAINLESS TUBE FITTING, 1/4 IN. MUD DAUBER;ITEM IS 1/4-18 NPT W/18 THDS PER IN.

IN, end_connection_type: THREADED, refinement_device_type: FILTER DISK, refinement_medium_type: FILTERING, end_item_identification: SUPPORT EQUIPMENT (SE), B-2 BOMBER. This part is cataloged in the U.S. Government catalog under NSN 4470-01-438-8734, 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

SS-MD-4

NSN: 4470-01-438-8734
NIINs: 014388734, 015346590
FSC: 4470 — Nuclear Reactors
CAGE: 3T9T9 — SWAGELOK CO (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING
special_features	TECHNICAL DATA FURNISHED CALLS ITEM STAINLESS TUBE FITTING, 1/4 IN. MUD DAUBER;ITEM IS 1/4-18 NPT W/18 THDS PER IN. IN
end_connection_type	THREADED
refinement_device_type	FILTER DISK
refinement_medium_type	FILTERING
end_item_identification	SUPPORT EQUIPMENT (SE), B-2 BOMBER
part_name_assigned_by_controlling_agency	PROTECTOR VENT, SPECIAL
NSN	4470-01-438-8734

COMPONENT DIAGRAM

KEY FEATURES

•

CRITICALITY CODE JUSTIFICATION: ZZZY

•

REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS

TECHNICAL CHARACTERISTICS

CRITICALITY CODE JUSTIFICATION	ZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS

SUBSTITUTES & CROSS-REFERENCES 2

2301-2977PC56Reference document

Same NSN cross-reference

Reference document — Secondary reference

MS-MD-4MSSReference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Demilitarization required (F)

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FREQUENTLY ASKED QUESTIONS

What is SS-MD-4?

SS-MD-4 is a PROTECTOR,VENT,SPECIAL.

What parts can replace SS-MD-4?

There are 2 known substitutes for SS-MD-4: 2301-2977PC56, MS-MD-4MSS. Substitute compatibility should be verified for your specific system.

What is the NSN for SS-MD-4?

SS-MD-4 is cataloged in the U.S. Government catalog under NSN 4470-01-438-8734. This indicates validated use in U.S. government and defense supply chains.

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