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22451-1 — PISTON,VALVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

22451-1: PISTON,VALVE.

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.187 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN, thread_length: 0.075 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, screw_material: STEEL COMP 303. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-208-2888, 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
22451-1
NSN: 5310-00-208-2888
NIINs: 002082888, 003725788, 005889257, 008517605
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
head_styleFILLISTER
head_height0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.187 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
thread_length0.075 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
screw_materialSTEEL COMP 303
fastener_length0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.125 INCHES IN
thread_quantity_per_inch40
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5310-00-208-2888
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 22451-1 · 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
•
WIDTH ACROSS FLATS: 0.747 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
NUT HEIGHT: 0.250 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.747 INCHES NOMINAL IN
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.500 INCHES IN
NUT HEIGHT0.250 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
NUT STYLEHEXAGON
THREAD CLASS3B
THREAD QUANTITY PER INCH20
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 22451-1?
22451-1 is a PISTON,VALVE.
What is the NSN for 22451-1?
22451-1 is cataloged in the U.S. Government catalog under NSN 5310-00-208-2888. This indicates validated use in U.S. government and defense supply chains.
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