NSN 5305-01-733-4048 · NIIN 017334048 · Part number ISO4762-M5X50-8.8-ZNNI/FN/T7
International Organization for Standardization (iso) · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE I9008
Government record, cited
NSN 5305-01-733-4048 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-733-4048. Manufacturer of record part number: ISO4762-M5X50-8.8-ZNNI/FN/T7.
Nearby stock numbers← 5305-01-733-3963 Screw, Close Tolerance
·
5305-01-733-4182 Screw, Cap, Socket Head →
5305-01-733-4048 — Screws
Features
Screw,cap,socket Head — FSC 5305
Width Across Flats: 4.020 MILLIMETERS MINIMUM AND 4.095 MILLIMETERS MAXIMUM MM
Head Height: 4.82 MILLIMETERS MINIMUM AND 5.00 MILLIMETERS MAXIMUM MM
Fastener Length: 49.50 MILLIMETERS MINIMUM AND 50.50 MILLIMETERS MAXIMUM MM
Surface Treatment Document and Classification: ISO 4042 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Pitch in Millimeters: 0.8
Thread Length: 21.0 MILLIMETERS MINIMUM AND 26.0 MILLIMETERS MAXIMUM MM
Material Document and Classification: ISO 898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
Identification
NSN: 5305-01-733-4048
NIIN: 017334048
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: ISO4762-M5X50-8.8-ZNNI/FN/T7
Manufacturer: International Organization for Standardization (iso)
General Description
The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-733-4048, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is International Organization for Standardization (iso). Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5305-01-733-4048
Primary Part Number
ISO4762-M5X50-8.8-ZNNI/FN/T7
Item Name
Screw,cap,socket Head
FSC / FSG
5305 / 53 — Screws
Manufacturer
International Organization for Standardization (iso)
Status
ACTIVE
Width Across Flats
4.020 MILLIMETERS MINIMUM AND 4.095 MILLIMETERS MAXIMUM MM
Head Height
4.82 MILLIMETERS MINIMUM AND 5.00 MILLIMETERS MAXIMUM MM
Fastener Length
49.50 MILLIMETERS MINIMUM AND 50.50 MILLIMETERS MAXIMUM MM
Surface Treatment Document and Classification
ISO 4042 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Pitch in Millimeters
0.8
Thread Length
21.0 MILLIMETERS MINIMUM AND 26.0 MILLIMETERS MAXIMUM MM
Material Document and Classification
ISO 898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter
5.0 MILLIMETERS MM
Head Style
FLAT CHAMFER
Thread Direction
RIGHT-HAND
Specification/standard Data
I9008-ISO 4762 INTERNATIONAL STD/SPEC
Surface Treatment
ZINC NICKEL OVERALL
Strength Grade Designation
8.8
Chamfer Angle
45.0 DEGREES NOMINAL
Internal Drive Style
HEXAGON
Thread Class
6G G
Material
STEEL PROPERTY CLASS 8.8 OVERALL
Thread Series Designator
M
Head Diameter
8.28 MILLIMETERS MINIMUM AND 8.72 MILLIMETERS MAXIMUM MM
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-733-4546ISO4762-M10X30-10.9-ZNNI8/CN/T2POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)International Organization for Standardization (iso)
5305-01-735-7568ISO4762-M10X100-10.9-ZNNI8/CN/T2POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)International Organization for Standardization (iso)
5305-01-735-7607ISO4762-M10X25-10.9-ZNNI8/CN/T2POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)International Organization for Standardization (iso)
5305-01-735-7613ISO4762-M10X90-10.9-ZNNI8/CN/T2POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)International Organization for Standardization (iso)
5305-01-735-7619ISO4762-M12X120-10.9-ZNNI8/CN/T2POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)International Organization for Standardization (iso)
5305-01-735-7625ISO4762-M12X30-10.9-ZNNI8/CN/T2POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)International Organization for Standardization (iso)
5305-01-735-8856ISO4762-M12X35-10.9-ZNNI8/CN/T2POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)International Organization for Standardization (iso)
International Organization for Standardization (iso) (CHE)
Reference documents
Reference
Meaning
ISO4762
3/1Design control — primary reference
International Organization for Standardization (iso)
Related Parts
5305-01-733-4546POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
ISO4762-M10X30-10.9-ZNNI8/CN/T2
5305-01-735-7568POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
ISO4762-M10X100-10.9-ZNNI8/CN/T2
5305-01-735-7607POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
ISO4762-M10X25-10.9-ZNNI8/CN/T2
5305-01-735-7613POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
ISO4762-M10X90-10.9-ZNNI8/CN/T2
5305-01-735-7619POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
ISO4762-M12X120-10.9-ZNNI8/CN/T2
5305-01-735-7625POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
ISO4762-M12X30-10.9-ZNNI8/CN/T2
5305-01-735-8856POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
ISO4762-M12X35-10.9-ZNNI8/CN/T2
Frequently Asked Questions
What is NSN 5305-01-733-4048?
NSN 5305-01-733-4048 is a Screw,cap,socket Head, manufactured by International Organization for Standardization (iso), classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-733-4048?
NSN 5305-01-733-4048 has 1 manufacturer part number on file: ISO4762-M5X50-8.8-ZNNI/FN/T7 (International Organization for Standardization (iso)).
What NSN replaces 5305-01-733-4048?
7 possible matches (shared part number, not a government interchangeability claim): 5305-01-733-4546, 5305-01-735-7568, 5305-01-735-7607. Verify interchangeability with system specifications before substitution.
What are the specifications of ISO4762-M5X50-8.8-ZNNI/FN/T7?
Key specifications for ISO4762-M5X50-8.8-ZNNI/FN/T7: Width Across Flats: 4.020 MILLIMETERS MINIMUM AND 4.095 MILLIMETERS MAXIMUM MM; Head Height: 4.82 MILLIMETERS MINIMUM AND 5.00 MILLIMETERS MAXIMUM MM; Fastener Length: 49.50 MILLIMETERS MINIMUM AND 50.50 MILLIMETERS MAXIMUM MM; Surface Treatment Document and Classification: ISO 4042 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-733-4048 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.