NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5305 › 5305-00-021-3740
Cap Hexagon Head Screw P/N 645A560H43
In stock — 100 on our U.S. shelfNSN 5305-00-021-3740 5305000213740 NIIN 000213740
SECO Parts has 100 in stock of NSN 5305-00-021-3740 — Cap Hexagon Head Screw — on our own shelf in Augusta, GA: a stocking supplier, not a broker.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- SCREW,CAP,HEXAGON HEAD
- SECO description
- BOLT, MANIFOLD
- Federal supply class
- FSC 5305 — Screws
- Used on
- MRAP - Cougar CAT1 A2; MRAP - M-ATV; Multiple Launch Rocket System (MLRS)
- Platform
- MRAP parts
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 100 |
| Total | 100 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5305-00-021-3740 000213740 645A560H43 MS35307-364 145-4510943-50 4917385-05 330C889A6016D24 4912859-04 501-7368087 ITEM NO 9 MS35307-64 235A4587BA28 306-16200
Get a quote
Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Thread class
- 2A
- Thread direction
- Right-Hand
- Thread length
- 1.000–1.188 in
- Fastener length
- 1.500 in (nominal)
- Head height
- 0.226–0.243 in
- Width between flats
- 0.551–0.562 in
- Nominal thread diameter
- Inches 0.375
- Thread quantity per inch
- 16
- Minimum tensile strength
- Pounds Per Square Inch 80000
- Material
- Overall Steel Comp 302 or Steel Comp 303 or Steel Comp 304 or Steel Comp 305 or Steel Comp 316
- Material document and classification
- Overall Fed STD All Material Responses 66
- Surface treatment
- Overall Passivate
- Surface treatment document and classification
- Overall Fed Spec Single Treatment Response QQ--35
- Thread series designator
- Unified National Coarse (UNC)
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
645A560H43 MS35307-364 145-4510943-50 4917385-05 330C889A6016D24 4912859-04
Also referenced as
501-7368087 ITEM NO 9 MS35307-64 235A4587BA28 306-16200 P-5729-B71 16512 9421M34P04
Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 100 on the shelf |
| Unit of issue | HD hundred |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| Hazardous material indicator | N No hazardous material |
Source: public FLIS/PUB LOG cataloging data.
Why buy from SECO
These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.
In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered
FAQ
What is NSN 5305-00-021-3740?
NSN 5305-00-021-3740 (5305000213740) — Cap Hexagon Head Screw: SECO Parts has 100 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for cap hexagon head screw in federal supply class 5305 (Screws).
Is NSN 5305-00-021-3740 available?
SECO Parts has 100 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5305-00-021-3740 cost?
SECO quotes NSN 5305-00-021-3740 on request, usually the same business day.
What does NSN 5305-00-021-3740 fit?
The federal catalog lists NSN 5305-00-021-3740 as used on: MRAP - Cougar CAT1 A2; MRAP - M-ATV; Multiple Launch Rocket System (MLRS). SECO lists it under MRAP parts.
What part numbers cross-reference to NSN 5305-00-021-3740?
Part numbers that cross-reference this NSN include 645A560H43, MS35307-364, 145-4510943-50, 4917385-05, 330C889A6016D24, 4912859-04. It is also referenced by older, superseded or advisory numbers: 501-7368087 ITEM NO 9, MS35307-64, 235A4587BA28, 306-16200, P-5729-B71, 16512. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names SCREW,CAP,HEXAGON HEAD. Same name is not the same part: check the part numbers.