ECSA87-7-20 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

ECSA87-7-20: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316, end_similarity: IDENTICAL, overall_length: 8.250 INCHES NOMINAL IN, first_end_style: EXTERNAL THREADED, first_end_diameter: 0.6250 INCHES NOMINAL IN, largest_step_diameter: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-293-5637, 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

ECSA87-7-20

NSN: 3040-01-293-5637
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 1GM18 — EACCO, INC. (USA)

SPECIFICATIONS

material	STEEL COMP 316
step_quantity	5
end_similarity	IDENTICAL
overall_length	8.250 INCHES NOMINAL IN
first_end_style	EXTERNAL THREADED
first_end_diameter	0.6250 INCHES NOMINAL IN
largest_step_diameter	1.000 INCHES NOMINAL IN
end_item_identification	USED ON QUICK ACTION OPENING AND CLOSING MECHANISM WATER TIGHT HATCH PART NUMBER BM21-8 ONBOARD 110 FT WPB "B" CLASS COAST GUARD VESSELS FT
first_end_external_thread_length	0.750 INCHES NOMINAL IN
NSN	3040-01-293-5637

COMPONENT DIAGRAM

KEY FEATURES

•

STEP QUANTITY: 5

•

FIRST END DIAMETER: 0.6250 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 1.000 INCHES NOMINAL IN

•

FIRST END EXTERNAL THREAD LENGTH: 0.750 INCHES NOMINAL IN

•

FIRST END STYLE: EXTERNAL THREADED

•

END SIMILARITY: IDENTICAL

TECHNICAL CHARACTERISTICS

STEP QUANTITY	5
FIRST END DIAMETER	0.6250 INCHES NOMINAL IN
LARGEST STEP DIAMETER	1.000 INCHES NOMINAL IN
FIRST END EXTERNAL THREAD LENGTH	0.750 INCHES NOMINAL IN
FIRST END STYLE	EXTERNAL THREADED
OVERALL LENGTH	8.250 INCHES NOMINAL IN
END SIMILARITY	IDENTICAL
SPECIAL FEATURES	2 SS. SHAFT DISCS, 1/8 IN. TH X 8 IN. DIA; 2 PLASTIC POLYMIDE SHAFT SEALS, 1 IN. I.D. X 2 IN. O.D.; 2 SS. KEYS 3/16 SQ X 3/4 LG; 2 SS. SELF LOCKING NUTS, 5/8 NF THREAD; 1 SS. WHEEL STOP, 3/32 INS X 1 IN. X 2-1/4 INS IN
END ITEM IDENTIFICATION	USED ON QUICK ACTION OPENING AND CLOSING MECHANISM WATER TIGHT HATCH PART NUMBER BM21-8 ONBOARD 110 FT WPB "B" CLASS COAST GUARD VESSELS FT
MATERIAL	STEEL COMP 316

OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment

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

3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224

SUBSTITUTES & CROSS-REFERENCES 1

ECSA87-7Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ECSA87-7-20?

ECSA87-7-20 is a SHAFT,SHOULDERED.

What parts can replace ECSA87-7-20?

There is 1 known substitute for ECSA87-7-20: ECSA87-7. Substitute compatibility should be verified for your specific system.

What is the NSN for ECSA87-7-20?

ECSA87-7-20 is cataloged in the U.S. Government catalog under NSN 3040-01-293-5637. This indicates validated use in U.S. government and defense supply chains.

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