MS21913-4 — PLUG,TUBE FITTING,THREADED

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

MS21913-4: PLUG,TUBE FITTING,THREADED.

The PLUG,TUBE FITTING,THREADED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_height: 0.203 INCHES NOMINAL IN, thread_class: 3A EXTERNAL A, overall_length: 0.640 INCHES NOMINAL IN, connection_style: FLARELESS, style_designator: PLUG, TUBE FITTING FLARELESS (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC). This part is cataloged in the U.S.

Government catalog under NSN 4730-01-571-7736, 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

MS21913-4

NSN: 4730-01-571-7736
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_height	0.203 INCHES NOMINAL IN
thread_class	3A EXTERNAL A
overall_length	0.640 INCHES NOMINAL IN
connection_style	FLARELESS
style_designator	PLUG, TUBE FITTING FLARELESS (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC)
thread_direction	RIGHT-HAND EXTERNAL
nominal_thread_size	0.437 INCHES EXTERNAL IN
thread_quantity_per_inch	20 EXTERNAL
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF) EXTERNAL
NSN	4730-01-571-7736

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.203 INCHES NOMINAL IN

•

CONNECTION STYLE: FLARELESS

•

STYLE DESIGNATOR: PLUG, TUBE FITTING FLARELESS (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC)

•

THREAD DIRECTION: RIGHT-HAND EXTERNAL

•

NOMINAL THREAD SIZE: 0.437 INCHES EXTERNAL IN

•

THREAD CLASS: 3A EXTERNAL A

•

THREAD QUANTITY PER INCH: 20 EXTERNAL

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.203 INCHES NOMINAL IN
CONNECTION STYLE	FLARELESS
STYLE DESIGNATOR	PLUG, TUBE FITTING FLARELESS (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC)
OVERALL LENGTH	0.640 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND EXTERNAL
NOMINAL THREAD SIZE	0.437 INCHES EXTERNAL IN
THREAD CLASS	3A EXTERNAL A
THREAD QUANTITY PER INCH	20 EXTERNAL
MATERIAL	STEEL OVERALL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF) EXTERNAL

OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

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

4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008

SUBSTITUTES & CROSS-REFERENCES 2

AS21913Reference document

Same NSN cross-reference

Reference document — Secondary reference

SAE-AS18280Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

Ready to buy MS21913-4?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is MS21913-4?

MS21913-4 is a PLUG,TUBE FITTING,THREADED.

What parts can replace MS21913-4?

There are 2 known substitutes for MS21913-4: AS21913, SAE-AS18280. Substitute compatibility should be verified for your specific system.

What is the NSN for MS21913-4?

MS21913-4 is cataloged in the U.S. Government catalog under NSN 4730-01-571-7736. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

MS21913-4 — PLUG,TUBE FITTING,THREADED

Request a Quote — MS21913-4