PartsTable
Technical Data Sheet
Download PDF

PWA55078-9 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

PWA55078-9: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: KNURLED NO. 1, head_height: 0.470 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.340 INCHES NOMINAL IN, thread_length: 0.330 INCHES NOMINAL IN, screw_material: STEEL COMP 304.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-358-8686, 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
PWA55078-9
NSN: 5305-01-358-8686
FSC: 5305 — Screws
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
head_styleKNURLED NO. 1
head_height0.470 INCHES NOMINAL IN
thread_class2A A
head_diameter0.340 INCHES NOMINAL IN
thread_length0.330 INCHES NOMINAL IN
screw_materialSTEEL COMP 304
fastener_length0.330 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleW/O INTERNAL DRIVE
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-358-8686
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PWA55078-9 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.470 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.330 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AISI 304 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.330 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: KNURLED NO. 1
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP 304
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.470 INCHES NOMINAL IN
FASTENER LENGTH0.330 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAISI 304 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.330 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEKNURLED NO. 1
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 304
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
THREAD CLASS2A A
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
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
Ready to buy PWA55078-9?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is PWA55078-9?
PWA55078-9 is a SCREW,MACHINE.
What is the NSN for PWA55078-9?
PWA55078-9 is cataloged in the U.S. Government catalog under NSN 5305-01-358-8686. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — PWA55078-9

✓ 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.