IT-61 — SPACER,SLEEVE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

IT-61: SPACER,SLEEVE.

The SPACER,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.625 INCHES NOMINAL IN, corner_shape: CHAMFERED INSIDE LEFT CORNER, flange_width: 0.2000 INCHES NOMINAL IN, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-001-8377, 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

IT-61

NSN: 5365-00-001-8377
NIINs: 000018377, 000065194
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 76823 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)

SPECIFICATIONS

material	STEEL COMP 4130 OVERALL
head_style	DOUBLE HEXAGON W/HOLE
head_height	0.625 INCHES NOMINAL IN
corner_shape	CHAMFERED INSIDE LEFT CORNER
flange_width	0.2000 INCHES NOMINAL IN
thread_class	3A A
thread_length	0.995 INCHES NOMINAL IN
overall_length	1.3800 INCHES NOMINAL IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	3.805 INCHES MINIMUM AND 3.835 INCHES MAXIMUM IN
shoulder_length	2.555 INCHES MINIMUM AND 2.595 INCHES MAXIMUM FIRST SHOULDER IN
style_designator	SOLID, EXTERNAL FLANGE ONE END
NSN	5365-00-001-8377

COMPONENT DIAGRAM

KEY FEATURES

•

CORNER SHAPE: CHAMFERED INSIDE LEFT CORNER

•

FLANGE OUTSIDE DIAMETER: 0.8000 INCHES NOMINAL IN

•

BODY OUTSIDE DIAMETER: 0.4950 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

CORNER SHAPE	CHAMFERED INSIDE LEFT CORNER
CORNER SHAPE	CHAMFERED LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPE	SQUARE LEFT FLANGE BODY CORNER
CORNER SHAPE	CHAMFERED OUTSIDE LEFT CORNER
CORNER SHAPE	CHAMFERED INSIDE RIGHT CORNER
CORNER SHAPE	CHAMFERED OUTSIDE RIGHT CORNER
FLANGE OUTSIDE DIAMETER	0.8000 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER	0.4950 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758,COND D1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

SUBSTITUTES & CROSS-REFERENCES 4

14-40491-1Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

HT-21Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

STF0365Reference document

Same NSN cross-reference

Reference document — Secondary reference

10Y201Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 IT-61?

IT-61 is a SPACER,SLEEVE.

What parts can replace IT-61?

There are 4 known substitutes for IT-61: 14-40491-1, HT-21, STF0365 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for IT-61?

IT-61 is cataloged in the U.S. Government catalog under NSN 5365-00-001-8377. This indicates validated use in U.S. government and defense supply chains.

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