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2D177 — MICROCIRCUIT,LINEAR

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2D177: MICROCIRCUIT,LINEAR.

The MICROCIRCUIT,LINEAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1137 OR STEEL COMP 1141 OR STEEL COMP 4130 OR STEEL COMP 4140 OVERALL, nut_style: HEXAGON, body_width: 1.150 INCHES MAXIMUM IN, nut_height: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, seat_angle: 30.0 DEGREES FIRST END, body_height: 0.255 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-458-1629, 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
2D177
NSN: 5310-00-458-1629
NIINs: 004581629, 007135670, 011790511
FSC: 5310 — Nuts and Washers
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 1137 OR STEEL COMP 1141 OR STEEL COMP 4130 OR STEEL COMP 4140 OVERALL
nut_styleHEXAGON
body_width1.150 INCHES MAXIMUM IN
nut_height0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
seat_angle30.0 DEGREES FIRST END
body_height0.255 INCHES MAXIMUM IN
body_length1.770 INCHES MAXIMUM IN
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class3B
thread_seriesUNF
connection_typeTHREADED EXTERNAL PIPE FIRST END
inside_diameter0.500 INCHES NOMINAL IN
NSN5310-00-458-1629
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2D177 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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WIDTH ACROSS FLATS: 0.996 INCHES MINIMUM AND 1.003 INCHES MAXIMUM IN
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
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THREAD SERIES: UNF
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HOLE CONFIGURATION STYLE: CONFIGURATION B
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-637 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
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THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
•
NUT HEIGHT: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.996 INCHES MINIMUM AND 1.003 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNF
HOLE CONFIGURATION STYLECONFIGURATION B
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.750 INCHES IN
NUT HEIGHT0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
DRILLED HOLE DIAMETER0.057 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2D177?
2D177 is a MICROCIRCUIT,LINEAR.
What is the NSN for 2D177?
2D177 is cataloged in the U.S. Government catalog under NSN 5310-00-458-1629. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.