PartsTable
Technical Data Sheet
PartsTable / MRO / 52604-2
52604-2 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The FILTER,BAND SUPPRESSION is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN, overall_width: 1.000 INCHES NOMINAL IN, thread_length: 1.750 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-151-2773, 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
MRO→ MRO_GENERAL→ 52604-2
NSN: 5305-00-151-2773
FSC: 5305
CAGE: 36378 — RAYTHEON TECHNICAL SERVICES COMPANY (USA)
SPECIFICATIONS
head_styleROUND
head_height0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
overall_width1.000 INCHES NOMINAL IN
thread_length1.750 INCHES MINIMUM IN
inclosure_typeENCASED
overall_height4.000 INCHES NOMINAL IN
overall_length4.500 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length1.750 INCHES NOMINAL IN
special_featuresWITH PLASTIC CLAMP, SIZE 1.5 INCHES IN
NSN5305-00-151-2773
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 52604-2 · 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
•
THREAD CLASS: 2A A
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1S STYLE
•
HEAD DIAMETER: 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
•
HEAD STYLE: ROUND
•
FASTENER LENGTH: 1.750 INCHES NOMINAL IN
•
INTERNAL DRIVE STYLE: SLOT
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1S STYLE
HEAD DIAMETER0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
HEAD STYLEROUND
FASTENER LENGTH1.750 INCHES NOMINAL IN
INTERNAL DRIVE STYLESLOT
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
NOMINAL THREAD DIAMETER0.190 INCHES IN
SCREW SURFACE TREATMENTCADMIUM
THREAD SERIES DESIGNATORUNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
52604-2Interchangeable
interchangeable cross-reference
interchangeable
8321-2Interchangeable
interchangeable cross-reference
interchangeable
FFS92Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 52604-2?
52604-2 is a FILTER,BAND SUPPRESSION. It is classified as a MRO (MRO_GENERAL).
What parts can replace 52604-2?
There are 3 known substitutes for 52604-2: 52604-2, 8321-2, FFS92. Substitute compatibility should be verified for your specific system.
Is 52604-2 still available?
52604-2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026