166M1972A1 PC 18 — STUD,SHOULDERED

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

166M1972A1 PC 18: STUD,SHOULDERED.

The STUD,SHOULDERED is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, thread_class: 2A NUT THREAD A, thread_length: 2.250 INCHES NOMINAL STUD THREAD IN, overall_length: 7.500 INCHES NOMINAL IN, shoulder_length: 0.016 INCHES NOMINAL IN, style_designator: SHOULDERED. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-434-3706, 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

166M1972A1 PC 18

NSN: 5307-01-434-3706
FSC: 5307 — Studs
CAGE: 51900 — ITT CORPORATION DBA ITT STANDARD (USA)

SPECIFICATIONS

material	NICKEL ALLOY
thread_class	2A NUT THREAD A
thread_length	2.250 INCHES NOMINAL STUD THREAD IN
overall_length	7.500 INCHES NOMINAL IN
shoulder_length	0.016 INCHES NOMINAL IN
style_designator	SHOULDERED
shoulder_diameter	1.406 INCHES NOMINAL IN
nominal_thread_size	1.000 INCHES STUD THREAD IN
thread_quantity_per_inch	8 STUD THREAD
thread_series_designator	UNIFIED NATIONAL COARSE (UNC) STUD THREAD
criticality_code_justification	ZZZY
material_document_and_classification	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
NSN	5307-01-434-3706

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD LENGTH: 2.250 INCHES NOMINAL NUT THREAD IN

•

CRITICALITY CODE JUSTIFICATION: ZZZY

•

STYLE DESIGNATOR: SHOULDERED

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE

•

NOMINAL THREAD SIZE: 1.000 INCHES STUD THREAD IN

TECHNICAL CHARACTERISTICS

THREAD LENGTH	2.250 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH	2.250 INCHES NOMINAL STUD THREAD IN
CRITICALITY CODE JUSTIFICATION	ZZZY
STYLE DESIGNATOR	SHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	7.500 INCHES NOMINAL IN
NOMINAL THREAD SIZE	1.000 INCHES STUD THREAD IN
NOMINAL THREAD SIZE	1.000 INCHES NUT THREAD IN
SHOULDER DIAMETER	1.406 INCHES NOMINAL IN
THREAD CLASS	2A STUD THREAD A

OTHER ITEMS IN FSC 5307 — Studs

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

5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625

SUBSTITUTES & CROSS-REFERENCES 1

166M1972A1 PC 18L1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 166M1972A1 PC 18?

166M1972A1 PC 18 is a STUD,SHOULDERED.

What parts can replace 166M1972A1 PC 18?

There is 1 known substitute for 166M1972A1 PC 18: 166M1972A1 PC 18L1. Substitute compatibility should be verified for your specific system.

What is the NSN for 166M1972A1 PC 18?

166M1972A1 PC 18 is cataloged in the U.S. Government catalog under NSN 5307-01-434-3706. This indicates validated use in U.S. government and defense supply chains.

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