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NAS573 — NUT,PLAIN,KNURLED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

NAS573: NUT,PLAIN,KNURLED.

The NUT,PLAIN,KNURLED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thread_class: 2B, thread_length: 1.250 INCHES MINIMUM IN, overall_length: 1.656 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S) OR THREADED HOLE(S), style_designator: KNURLED NO. 2.

This part is cataloged in the U.S. Government catalog under NSN 5340-00-403-7705, 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
NAS573
NSN: 5340-00-403-7705
NIINs: 004037705, 005737722, 006308884, 006701827, 007557305, 007660326, 007712088, 008057631, 008253452, 008302916, 008521413, 008822226, 008893287, 009491858, 009815704, 009839853, 009841656, 009901431
FSC: 5340 — Hardware, Commercial
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thread_class2B
thread_length1.250 INCHES MINIMUM IN
overall_length1.656 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S) OR THREADED HOLE(S)
style_designatorKNURLED NO. 2
thread_directionRIGHT-HAND
overall_thickness0.125 INCHES NOMINAL IN
surface_treatmentUNABLE TO DECODE
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch28
thread_series_designatorUNF
NSN5340-00-403-7705
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS573 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
•
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
SURFACE TREATMENT: UNABLE TO DECODE
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
SPECIAL FEATURESDRILLED FOR LOCKWIRE;NUT STYLE: KNURLED;NUT DIAMETER: 0.750 IN. NOM.;NUT THICKNESS: 0.375 IN. NOM.;NUT COUNTERBORE DEPTH: 0.375 IN. NOM.;THREAD SERIES: UNF IN
SURFACE TREATMENTUNABLE TO DECODE
THREAD CLASS3B
THREAD QUANTITY PER INCH32
MATERIALUNABLE TO DECODE
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 NAS573?
NAS573 is a NUT,PLAIN,KNURLED.
What is the NSN for NAS573?
NAS573 is cataloged in the U.S. Government catalog under NSN 5340-00-403-7705. This indicates validated use in U.S. government and defense supply chains.
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